Ducati 250 GT 1965 Instructions For Use And Maintenance Manual Download Page 1

Page: 1 / 86

Summary of Contents for 250 GT 1965

Page 1: ...1 èlOlOV ll lH38 y 7 Ô iiâ l JoisiQt L l I f j f l 1 1 l r I r l s sài åÁ5äòlolÂ 1 f r ti ö d ò r ii lleqS u e3p alf ahO DsZ d 1 t d t f t påad l T t ç t V i t 9 t t itŽ 1 rl c i t i r t i l 1 j 1 l rj t r L i tj J c lr I t IJ t tl y J j I L l n _ l l f __ ...

Page 2: ...f2P J U J 1M tI l t nnf j J g 7 r ç J lJ n I í l l l 8 I 7b7 ø CI 1 t he f t 6 t1tP t7M l l7 1 t II l7 f tl iJ n t 1 1 ox I t G i d b t 9 0 G A CJ A b 11 j ç _ 9 d s 9 V 1 1 h L 1J l Wi j _ __ _ 41 t il C1 J _ r I ...

Page 3: ...3 N fN31NI fl 3Sn SNOI1 f I lI 3dS l SSOJ l lOW OSZ III lIJew OSZ L Lf iew OSZ ezuow OSZ l OSZ 96L S37 A lJO LOW JL wd ll CQ ileys we J peey Ieiio pøøds _ 9 _ 1 ...

Page 4: ... purchaser The contents of this booklet are not binding and though the maIn specIfi cations of the motorcycle described and Illustrated in this booklet remain unchanged the DUCATI MECCANICA S p A will be free to Introduce modifications of some details or of some accessories If these modifi cations will be judged necessary or if they can Improve the motorcycle or finally for some technical economic...

Page 5: ...l racing both on track and road In order to obtain the fine service that the Ducati machine is capable of giving it is essential that the instructions contained in this book be religiously adhered to If these instructions are followed closely particularly during the running in period of the machine then you will be assured 0f many years trouble free enjoyable riding We thank your for your patronag...

Page 6: ... ...

Page 7: ...ç lf wn u wnie paz iielaw pue j3e1Q l4BpQ s noio LÐ osi IL v na 3 1 Å 1I0LOW _ì ...

Page 8: ... l 9 WnlU wnle paz liel3W pue f miq l4filJq sJn0I0 J VZNOW osi iiV na 3 1 Å 1I0iOW ...

Page 9: ...L _ _ _ _ _ ii lr i wn u wnie paz iielaw pue paJ 4dwn Jl sJnofO I H3 iW OSZ ii i3na 31 3Á3HOiOW 11 r _ _ _ ...

Page 10: ... I e _ _ _ _ _ _ _ _ _ _ WnlU wnle paz lielaw pue j eiq l451Jq sJnolo III UIVW osi iiV na 3 13A3HOiOW ...

Page 11: ...6 e J i il1T wniu wnie paz lielaw pue lI ielq l46l q smol0 J ll3 1gWVll S osi IL V3ILO 3 13X3l10LOW 7 _ 7 r 7 _ _ _ _ _ _ _ _ _ ø ...

Page 12: ...se his vehicle in the best possible way The lollöwìng notices are tñerêtore only simple recommendations suggestions advices and terms of reference sufficient to enable anyone having no experience or ignoring any special technical knowledge to use his vechicle and to maintain it for a long time in perfect working condition i 10 _ I l ...

Page 13: ...ped with the necessary tools to carry out any repair required They will also carry a full stock of genuine Ducati spares SPARE PARTS It is absolutely necessary that each order for spare parts clearly states the following data 1 The catalogue code of the spare part obtained from the Spare Parts Catalogue of the model wanted 2 Serial number of the engine when ordering spare parts of the engine 3 Ser...

Page 14: ...d by its frame and engine serial number The same serial number is stamped on the central girder near the battery The engine serial I1ürtbet is stamped on the crankcase near the front connection between the engine and the frame I Engine serial number 2 Frame serial number _ _ _ _ _ _ _ _ _ 12 0 t ...

Page 15: ...n period a process which has already been started by the factory The engine sliolJJd never he over revved or allowed to slög dtifing this time and recommended maximum speeds in gears should be strictly observed t MAXIMUM SPEED IN MILES AND KMS PER HOUR DISTANCE TRAVELLED w I z dO i h _ _ __ _ _ Up to 300 mi les 16 22 29 j 36 I 40 Up to 500 Km æ æ M i From 600 miles i 300 to 21 31 I 40 49 I 56 From...

Page 16: ...nkcase nuts and screws Do not overtighten as damage may result in thread stripping or bolts brea king Readjust contact breaker In order to ensure careful running in the carburetor has been fitted with a distance piece which restricts the full use of the accelerator After 600 miles this should be re moved by your Ducati dealer Failure to comply with the above recommendations absolves the manufactur...

Page 17: ...ylinder inclined for ward 10 from the verticaL The engine is supported by a cradle formed frame bore 74 mm 2 9134l stroke 57 8 mm 2 27559 cylinder capacity 248l589 C c 15 1698 cu in compression ratio 8 1 for the 250 GT and Mon zal 10 1 for 250 MACH 1 and Mark III and 9 2 1 for 250 SCRAMBLER 15 __ _ a _ ...

Page 18: ...ake the gudgeon pin pistons of light alloy convex topped and in one piece with four piston rings two of which are slotted oils scrapers cylinder head cast in light alloy and closely finned with inserted valve seats TIMING The timing system is provided with overhead valves in clined at 80 timed by an overhead camshaft The valves are made of special steel 250 GT and MONZA SUCTION PMI BOC 16 COMPRESS...

Page 19: ...fter TOC BDC TDC Bottom dead center Top dead center SUCTION 250 MACH i and MARK III BOC COMPRESSION WORKINGSTROKE EXHAUST PMI BOC BOC BOC Timing with a clearance of 0 15 mm 0 0059 in bet ween the valve and the suction rocker and 0 30 mm 0 0118 in between the valve and the exhaust rocker are as follows Valve i Opening 5 _ _ _ _ Suction 62 before TOC Exhaust 700 before BOC Closing t 5 76 after BOC 4...

Page 20: ...clearance of 0 15 mm 0 0059 in bet ween the valve and the suction rocker and 0 20 0 0079 in between the valve and the exhaust rocker are as follows Valve Opening f 5 Closing f 50 Suction 32 before TOC 75 after BOC Exhaust 55 before BOC 44 after TOC BDC Bottom dead center TDC Top dead center 18 ...

Page 21: ...valve for e 250 MACH i and ark III respecti vely 0 15 mm 0 0059 and 0 20 mm 0 0079 for the SCRAMBLER The clearance has to be adjusted and checked with a feeler gauge af ter the said timing data have been controlled Adjustment The tappets are adju sted by means of the adjustment screws on the rockers in the 250 GT and Monza and the appropriate rockers shim on the end of the valve stem on the other ...

Page 22: ...the camshaft are provided with reference marks engraved on the tooth ed periphery The engine is timed when the above mentioned marks are disposed as indicated by the arrows in the following il lustration Timing Ignition Timing AdJustment screw 01 the gear change control fork 20 ...

Page 23: ...iZ _ _ _ 3lno lQl 3Ql JO lu3U1lsnfpv _ _ __ __ _ _ 3 aelul lie uinUlJUlUI 0 lu3U1lsnfpv VZNOW i 1 1 O O n c o mo C _ _ c _ _ _ c _ _ i _ ...

Page 24: ... L GG _ _ _ __ _ _ a Ho lql aql 0 luawlsnfpv ai elu lie wnwiuiw 0 lU3wisnfpv lI3 1HW S III llIVW I H VW J f _ __R _ ...

Page 25: ...I úJ ia I I t r f I t t r ri II t 132 136 t 272 071 330 c I I c I L f t t 016 Instance Carburetor DellOrto UBF 24 BS Spare parts in the 250 GT and MONZA ...

Page 26: ...apacity It GT 17 imp 2 1 6 Imp gal 3 7396 gal 0 35196 USA gal USA 0 4227 4 4909 MONZA 13 Imp 2 1 6 imp gal 2 8597 gal 0 35196 USA gal USA 0 4227 3 4342 MACH 1 16 imp 2 1 6 imp gal 3 5196 gaL 0 35196 USA gal USA 0 4227 4 227 MARK III 16 Imp 2 1 6 Imp gal 3 5196 gal 0 35196 USA gal I USA 0 4227 4 227 SCRAMBLER 11 imp 2 1 6 imp gal 2 4197 gaL 0 35196 USA gaL USA 0 4227 2 9059 LUBRICATION The engine i...

Page 27: ...SG e f E P e í _ _ _ 7 p a ...

Page 28: ...s lowest and at its highest point The oil level is measured by just resting the plug on the filler _ The lubricating system of the DUCATI motorcycles with single over head earn shaft engine is of the sim plest and requires no special maintenance except the renewal of the oil level 8 ESSO EXTRA MOTOR OIL 20 W 30 40 or RACER 40 each 500 Km about 310 miles and the total change of the oil including th...

Page 29: ...re the centrifugal force eli minates all the impurities which are heavier than the oil which accumulate all around the threaded plug B of the main shaft The filtered oil goes through the tube C to lubricate the big end and through the duct D to lubricate the engine clutch housing gear COOLING Cooling of the engine is achieved by close finning of both the cylinder and cylinder head 27 ...

Page 30: ...0 to 41 For setting up the ignition see figure on page 20 The clearance between the platinum plated contacts is of 0 3 to 0 4 mm 0 0118 to 0 0157 and has to be checked bY means ot the feeler gauge see figure hereupon The ignition plug is a Marelli CW 260 N or a similar model and is located on the leftside of the top of the cylinder head When replacing the sparking plug make sure the angle of the p...

Page 31: ...lIJS puu III JUW SIdPOll dql ur ljuqs gUrAPP dq1 uo 081 01 iunbd 06 dq lsnll puu i q UW uz uoW in SPPOll dql ur ijuqs gUrAPP dql uo 08L Ol iunbd otr dq isnrn d UUAPU JnUllolnu dql jO dpnindllU ÁJUlOJ dq1 a J1Jzd lo no JOU f ad1Jis lo Jno JdqHdU dJU sgupds dqi 1uqi pUU Pdl tf U pqni IIdM Sr H iuql ÁpddOJd S JOM d rAdP nUll01nu dql iuqi dJnS dq sdHll OOLI ÁJdAd JdijU puu 009 lSJg dqi Jdlju d UUAPU J...

Page 32: ...t 0 of the timing chart 4th _ Rotate the driving shaft clockwise for about a quar ter of a turri clockwise anticlockwisp Fig 1 5th To the spring of the mobile part of the contact breaker connect a 6V 3W lamp in series with the of the battery Fig 2 The lamp should light up _ _ _ _ _ 30 ...

Page 33: ...the driving shaft slowly anticlockwise till the light goes out or its intensity is lowered At that very moment the indicator should give on the goniometer the advance degrees you will find on page 28 a To of battery Q Fig 2 31 ...

Page 34: ... A and B which secure the plate and rotate it advancing or delaying ignition until the right number found at page 28 is obtained 9th Bear in mind that if you let go dry the felt which lubricates the earn the fibrous slipping block that operates the opening of the moving part of the con tact breaker arm will tend to wear out lowering thus the value of the gap _ 32 ...

Page 35: ...e of the en gine In the case the starter unit is refit it is indispensable to carry it out as shown in the figure aside TRASMISSION _ __ _ _ _ The transmission components comprise a clutch and a gear box The clutch is òf the multiple plate type with _ _ _ _ _ _ _ _ _ _ _ 33 ...

Page 36: ...is 2 500 to 1 The gearbox is mounted in the crankcase the gears for thq 5 speed gearbox are constantly meshed and are ope ra fed by a foot pedaL The transmission ratios of the gears are the following in bottom gear 1 to 2 53 in second gear 1 to 1 73 in third gear 1 to 1 35 in fourth gear 1 to 1 10 in top gear 1 to 0 97 The transmission between the gearbox and the rear wheel is made by means of a c...

Page 37: ...ed to the frame while the fork with bronze bush rotates on it This gives the machines greater solidity and stability WHEELS The wheels are of the spoke type with rims as follows Model 250 Wheel Rim Wheel rim size _ _ Material Profile Front Rear GT MONZA MACH 1 MARK III SCRAMBLER Steel Steel Steel Steel Steel Normal Normal Normal Normal Normal 18 x 2112 18 x 2112 18 x 21j4 18 x 21 4 19 x 21j2 18 x ...

Page 38: ...ith finned brake drums of large diameter width and with non fade brake linings The diameter of the front brake drum is 180 mm 7 0866 the diameter of the rear drum is 160 mm 6 2992 NEW ELECTRICAL SYSTEM 250 GT MONZA MACH i The lighting is provided by a storage battery which is re charged by the DUCATI flywheel alternator and rectifier The head lamp APRILIA of large diameter carries 3 lights A mile ...

Page 39: ...h static regulator of current of fers real advantages in comparison with the system em ployed till now The advantages can be summarised as follows 1 Regulation of the automatic charge 2 There are no electrical contacts with the regulator and therefore there is a grea ter surety in the working 3 Simplified commutator system which is limited to the sole lights section 4 Possibility of controlling th...

Page 40: ... light l commutable in dazzling and anti dazzling lights the battery charge is well balanced in all conditions the horn is operating the stop indicator is operating 2 Key not inserted the machine cannot be run the red warning light does not lit commutator position 0 lights switched out position i switched on the rear and front parking lights as well as the green warning light position 2 projector ...

Page 41: ...rear parking lights 8 Bulb for front parking light 6V 3W warning green light 9 Bulb of the headlamp 6V 25 25W 10 Bulb for the charge warning red light 6V 1 5W 11 Three pos iti on commutator 12 Extractable 4 contact key 13 Fuse protecting the projector light equipment dazzling and anti dazzling 14 Fuse protecting the horn and the Stop indicator 15 Horn push buton 16 Terminal block for headlamp 17 H...

Page 42: ......

Page 43: ...piston at the Top Deal Center T D C and the driving shaft key and flywheel mark in the po sition shown in the figure let the flywheel rotate anti clockwise for the angle ex till it attains th new position The headlampcarries 2 lights the dip light 6 V 25 W and the anti dazzle 6 V 25 W On the handlebar near the left handgrip is fitted the 2 way light switch in out with the deviator for the dip and ...

Page 44: ...ON 2EELECTRICAL SCHEME 1 Headlamp Aprlla mod 13J ASN 2 Filament bulb 6 V 25 2SW 3 Switch and deviator Aprilia 59 N 4 Tall light 6V 5 20W 5 Flywheel alternator 6V 40W 6 Ignition sparking plug 7 Contact breaker condenser 8 Alternated current Ignition coli 6V 9 3 way terminal block 40 ...

Page 45: ...lever Near the left hand footrest is placed the rear wheel brake lever which also operates the stoplight and the kickstart Alongside the right hand footrest is the double lever for t e gear change 1 6 5 LEGEND 1 Front brake control lever 2 Air regulating control lever 3 Rotating throttle control grip 4 Change double lever 5 Kickstarter 6 Rear brake control lever 7 2 way switches for dip light and ...

Page 46: ...ADJUSTING OF THE CHAIN TENSION For the correct chain adjustment up and down movement should be no more than Yí to l I I Freccia 15 20 mm MOVEMENT to1 2 4 _ 42 ...

Page 47: ...m 590 mm 116 Kg 36 2205 29 9213 5 1181 53 1495 78 740 23 2283 Ib 255 735 MONZA 1070 mm 800 mm 1300101 1320 mm 2000 mOl 800 mOl 125 Kg 42 1260 31 4961 5 1181 51 968 78 740 31 4961 lb 275 580 Mark III 1070 mOl 800 mm 130 mm 1350 mOl 2000 mm 800 mOl 112 Kg 42 1260 31 4961 5 1181 53 1495 78 740 31 4961 lb 246 918 SCRAMBLER 1050 mOl 750 mOl 130 mOl 1350 mOl 2020 mOl 820 mOl 1120 Kg 41 3386 29 5275 5 11...

Page 48: ...rk III the toalbax has 2 campartments and is placed under the saddle Far the Scrambler madel the clath taalbag is supplied separately 6 11 1 Tool bag 2 Dauble bax spanner 19 22 0 7480 0 8661 3 Dauble bax spanner 21 far hexagan 14 0 8268 _ 0 5512 4 Tyre lever 5 Hexagon spanner 14 with tyre puller 0 5512 6 Dauble hexagan spanner 10 11 0 3937 _ 0 4331 7 Screw driver 8 Tommy bar far box spanner 21 22 ...

Page 49: ...cation The battery is located between the two boxes in the said models PERFORMNCE The maximum speeds allowed for each of the gears correspond to the figures recorded in the red circles of the speedometer reproduced on the next page These speeds are obtainable only strictly following the recommendations for the tuning up mentioned at pages 13 and 1 and periodically c arrying out the maintenances de...

Page 50: ... _ _ _ _ _ _ _ _ _ _ r _ _ w z t k 250 GT and MONZA Approx over 250 MACH i In 19wered position race type and with megaphone exhaust over 46 ...

Page 51: ...ent which can be overcome with rider only in the various gears speeds except the 250 Scrambler for which the maximum gradient is practi cally without any limitation A ÚÙ Bottom gear 2nd gear 3rd gear I lTarcili 11th gtldr IV marcia Tup gear V marcla à A 1 à 47 ...

Page 52: ...250 MACH i and MARK III I The consumption at an economical speed of 85 90 Km h 53 to 56 m p h about 1 liter galL USA 0 2642 imp galL 0 220 petrol 8 ESSO EXTRA for 31 Km m 19 2624 Maximum distance of cruising with one tankfuL 400 Km ml 249 250 SCRAMBLER The consumption at an economical speed of 65 70 Km h 40 44 m p h about 1 liter imp gal 0 220 galL USA 0 2642 petrol 8 ESSO EXTRA for 28 Km 17 388 m...

Page 53: ...ating oil is at the right leveL For the lubrication it is advisable to use e ESSO EXTRA MOTOR OIL 20W 30 40 or RACER 40 Having refueled and checked the oil see that gear lever is in neutral position and press down the carburetor tickler to ensure the correct level of petrol in the float chamber Now after having inserted the contact key into its place on the headlamp turn the righthand hand lebar g...

Page 54: ...lever the mo torcycle begins slowly to go under way With the clutch lever completely released let the motorcycle increase its speed until about 15 20 Km h 9 12 m p h To pass now from bottom gear in second gear turn back right hand grip fully and quickly and after having disenga ged the clutch follow up at once by pressing down the front arm of the gearchange lever with the toe of your shoe Now tur...

Page 55: ...mergency I never use the brakes bru tally when you are already near behind the obstacle but throttle down the engine in right time and then make use of the brakes Bear in mind that insuffcIently inflated tyres are detri mental to the roadholding qualities of the motorcycle cause a greater tyre wear and lower effciency STOPPING THE MOTORCYCLE To stop the engine close the throttle completely the en ...

Page 56: ... about 310 miles Restore the oil level in the crankcase Check the tyre pressure with a pressure gauge Tighten the cylinder head holding down bolts Read just the brakes Check the clearange between valves and rockers ad justing it to 0 002 to 0 0028 0 05 to 0 07 mm by means of the screws and nuts placed on the rockers in the models 250 GT and Monza and for the appro priate rocker shim on the valve s...

Page 57: ...uretor oil filter and wash it in pe trol or paraffin oil in order to remove all impurities from the gauze _ Clean out the carburetor float chamber the main jet and the idle jet _ Readjust the clutch because the wear on its linings might otherwise cause slip Lubricate the hinge of the rear fork _ Dampen with 2 drops not more of thin mineral oil the lubricating wick of the contact breaker cam _ Tigh...

Page 58: ... of 5 meters ft 16 404 from a bright wall make sure that the ground be even and that the optic axis of the headlamp be perpendicular to the wall the motorcycle with its rider must rest on the wheels not on the central stand 250 GT MONZA MACH 1 MARK III 0 C 0 Ñ ca a E m 5 ft 6 404 250 SCRABLER ú 1 CD E r N ú 1 N 0 r E m 5 6 10010 ft 54 ...

Page 59: ... wash down the painted parts of the frame with water using a sponge for washing and a shammy leather for drying never use solvents petrol spirit or parafin otherwise the paint will look flat grease the chromium plated parts with vaseline and polish with shammy leather PROLONGED REST OF THE MOTORCYCLE If the motorcycle has to be put at rest for several months it is advisable to proceed as follows c...

Page 60: ...d and screwed down Clean always well the oxyde from the terminals and con nections and protect them with a thin layer of pure va seline Never use grease The battery must always be pre served well cleaned and dry especially the top part Electrolyte The electrolyte consists of sulphuric acid of regular pu rity diluted with distUled water so that the density referred to a temperature of 15 C 59 F cor...

Page 61: ... in terruptions b in case of an intense ebullition in all the elements c in case if for at least 3 consecutive readings at inter vals of one hours each the density of the electrolyte and the voltage of each element remain the same At the end of the charge the electrolyte should have re covered the initial density and the voltage of each element should arrive at a minimum of 2 7 Volts under charge ...

Page 62: ...orarily inactive it is necëssary to recharge the battery at least once each month anp each time the batterywtll bepiit in service INSTRUCTIONS FOR THE MAINTEN ANCE OF THE ELECTRICAL SYSTEM lGT MONZA MACHI i In case of inspections or repairs it is extremely impor tant to know the working of the electrical system and to follow with care the scheme on page 38 To avoid demagnetizing of the rectifier b...

Page 63: ... Noiivis 3JIAlI3S _ r _ _ _ ...

Page 64: ... J 1 to i l I i I i I I i w _ l i r __ _ d 1 _A U _i ci 0 1 l 0 0 r Vl 0 i Vl m i c n m I Vl l a l 0 z w ...

Page 65: ...r assembly 15 Timing camshaft holding key for tightening of the bevel gear Z 28 16 17 Pin for assembling and dismantling of gudgeon pin 18 Engine shaft holding tool for tightening of the bevel gear Z 21 a with assembled cylinder head b with dismantled cylinder head 19 Spanner for bevel gear Z 28 see 15 20 Plug assembly spanner for plugs with hollow hexagon ch 12 0 4724 or ch 14 0 5512 i 21 Valve a...

Page 66: ...19 _ _ _ _ _ _ _ _ ieiind 1884MÁI I L HSll HOd SNOIL HHia LNHWdIIlÙH IOOL _ _ I NOIJ VJ S ElJIAllElS x ó v ý 7l c _ ...

Page 67: ... 9 5U 4snq 5u Jeaq ieumof JOj Jaiind IOOl 5u Ue l i UOlS d ...

Page 68: ...lnu fiU U8l4fi l JOI Á8lf fiUIPI04 LUnJO ç Jea6 Ueqs aui6ua aql 6U U8l46 l JOJ Áalf fiu PI04 6ulsnoH V r L t 1kÌ4i p Jii1ml toa 0P NOllNllV V J i v9 I ...

Page 69: ...Ç9 100l Bu pu B Sll8S 8 1111 8 lnu uo u d 841 BU U8l4ß l O Á8 j BU Plo4 Jl8Ð 9 _ R _ r ...

Page 70: ...99 Jole ilpU UOlilsod UOlSld oi Î ì c wnJU WnIV h Jaflo i apis 4 ilnl JOl Jaiind 6 _ 7 f o r _ _ ...

Page 71: ...L9 Aiqw8sse J94SeM JO 5u 4snq J811 JOJ JOl u d dn 8U 1 tL J811nd u d J911 Olj LL 1 I v _ o ...

Page 72: ...99 u d uoa5pn5 io 5u l ueUJs p pue 5U iQLUasse JOl sUlci 1 gl Jea5 laAaq a4l lO 5u ua 45 l JOl alj 5u P 04 He4sLUe i 5u LU 1 çl ôlu 6aa aliI 10 apts U011 lj UO aq snw OIS a ii aqi l __ _ ___ ...

Page 73: ...69 IOOl BU llUBUlS P pUB BU lqUl8SSB qAIB Ii L z JB8B 18A8q 84l lO BU U8l40 l JOl IOOl BUlPI04 llB4S 8U BU3 BL _ _ ...

Page 74: ...OL Jaiind 6upuaq IIll8 70 sluas aAluA JOl JapuPÐ 00 jl A r v r i ___ _ _ 4 _ _ ...

Page 75: ...lL JaA03 uo l uB a3UeApe a4l lO Áiqwasse G4l JOl iisn8 91 __ w ...

Page 76: ... _ O 4 0 7 X r__ _ _ _ _ _ _ _ _ _ _ _ I ...

Page 77: ...oil is broken or spar king externally Defective sparking plug Blow through it until the ob stacle is removed Dismantle the filter and clean the gauze by air blast Disman tIe the fiter and clean it by a blast of air through the gauze Remove the float and clean out the float chamber this should be done by a DUCA TI Servicing Garage Change the float at a DUCA TI Servicing Garage Remove the obstacle b...

Page 78: ...essary lubricate the pi vot Clean the contact breacker points with a rag damped in petrol Change the capacitor at a Du cati Servicing Garage Check if the sparking plug has been tightly screwed in check the valves for gas tightness and the tightness of the piston rings at a Du ca ti Servicing Garage Change the broken spring at a Ducati Servicing Garage Dismantle the valve clean the valve stem and t...

Page 79: ... and let the engine turn The headlamp warning red light should be cut out when the engine runs at 1 000 r p m Checking the Electrical System Make sure that all the bulbs are effcient 1 With the lights switched out during the day the amperemeter should read o at 1 200 r p m approx 2 With town lights switched on during the night the amperemeter should read o at 1 400 r p m approx 3 With the anti daz...

Page 80: ...le at a Ducati Service Garage Clean out the carburetor and especially the needle 5eat at a Ducati Servicing Garage Empty the petrol tank and re fill at a reliable garage If the sparking plug over heats you wil have preigni tion knocking and misses especially at high revs If the sparking plug remams too cold you wil have no ignition because the electro des wil short circuit Use the right type of sp...

Page 81: ...coil is short circuited or broken The silencer is almost completely clogged up Adjust the gap to the proper width of about 0 5 mm 0 0197 Clean the electrodes with a wire brush Readjust the exact opening of the contact which is 0 3 0 4 mm 0 0118 to 0 0157 at a Duca ti Servicing Garage Change the coil at a Ducati Servicing Garage Clean the silencer to ensure the free discharge of the spent gases 77 ...

Page 82: ...I i oi t j r r _ _ _ _ _ _ _ _ ...

Page 83: ... fF J X3GNI ø ...

Page 84: ......

Page 85: ...l box Performance HOW TO USE THE O H C SHAFT MOTORCYCLES Filing up and starting of the engine RidinK away and running of the Motorcycle Stoppmg the Motorcycle MAINTENANCE Every 500 Km 310 miles Every 1000 Km 620 miles Every 1500 Km 930 miles Every 2000 Km 1240 miles Every 20000 Km 12400 miles Headlamp alignment Overall cleaning Prolonged rest of the Motorcycle Instructions for the first charge and...

Page 86: ... 1NÐOl0B u03WI1 10nci IWW IHÐ3131 eeu l o lnenb l09l6tr N ONO 3131 LE 31ViSOd V113SVO 31VÐINVd 0Ð OS n n t líi1 VNÐOi08 t d S VOINV003W u80 au U ...

Search results

Summary of Contents for 250 GT 1965

Reviews:

Related manuals for 250 GT 1965

Brands by name

Popular brands

Ducati 250 GT 1965, Instructions For Use And Maintenance Manual

Search results

Summary of Contents for 250 GT 1965

Reviews:

Related manuals for 250 GT 1965

Brands by name

Popular brands