Yamaha XS650H 1978 Supplementary Service Manual Download Page 1 | Manualshive

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Yamaha XS650H 1978 Supplementary Service Manual Download Page 1

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Summary of Contents for XS650H 1978

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Page 2: ...ombined with previous service manuals to provide complete service information for XS650H SH Please read and give special consideration to the NOTICE on the preceding page for your safety XS650H SH SUP...

Page 3: ...d repairs on Yamaha motorcycles have a basic understanding of the mechanical concepts and procedures inherent to motorcycle repair technology Without such know ledge attempted repairs or service to th...

Page 4: ...easier or clearer CAUTION A CAUTION indicates special procedure that must be fol lowed to avoid damage to the motorcycle WARNING A WARNING indicates special procedures that must be fol lowed to avoid...

Page 5: ...MAINTENANCE AND LUBRICATION CHART PERIODIC MAINTENANCE EMISSION CONTROL SYSTEM 3...

Page 6: ...t c c...

Page 7: ...p coil securing screws and remove the pick up coil assembly Pick up coil assembly reinstallation Install the pick up coil assembly on to the stator assembly _ L 4 Specified engine speed 1 200 r min Th...

Page 8: ...k the fuel level one by one The level should be in the specified range Fuel level 1 f 1 mm 0 04 0 04 in above from the carburetor mixing chamber body edge YL___ A 6 If the fuel level is incorrect remo...

Page 9: ...n the stick in the hole NOTE Wait a few minutes until the oil level settles before checking When checking engine oil level with the dip stick let the unscrewed dip stick rest on the case threads 1 Dip...

Page 10: ...orrectly installed with rounded end in direction of chain travel b Make sure the axle nut is properly torqued and a new cotter pin is installed 15 0 m kg 108 5 ft lb c Adjust the drive chain 8 DRIVE C...

Page 11: ...tter pin if the nut notch and the cotter pin hole do not match tighten the nut 1 slightly to match C A U T I O N Excessive chain tension will overload the engine and other vital parts keep the ten sio...

Page 12: ...G INSPECTION The specified thickness of the brake lining is 4 mm 0 16 in The lining should be replaced when it wears to less than 2 mm 0 079 in To check see the wear indicator position while depressin...

Page 13: ...G Green B Black Br brown Sb B blue R W Red White B Y Black Yeliow L B Blue Black Function of the Diode in the Relay When the transmission is in a position other than Neutral Turning on the clutch leve...

Page 14: ...off is kept open the relay is not actuated and it is impossible to turn on the starter switch assembly by pushing the START button As a result the starter motor does not run c When the clutch lever i...

Page 15: ...500 mm 198 4 in B Engine L 1 DESCRIPTION 1 Engine type 2 Engine model 3 Displacement 4 Bore x stroke 5 Compression ratio 6 Starting system 7 Ignition System 8 Lubrication system 2 CYLINDER HEAD 1 Com...

Page 16: ...5mm 0 059 in 2 mm IO 110 inl 0 4 mm 0 008 0 016 in 3 Ring groove side clearance Top 6 BIG END BEARING 11 Type 31 Bearing type 4 Cam dimensions 25 47 8 6 Camshaft deflection limit 7 Cam chain Type Numb...

Page 17: ...in EX 2 1 mm 0 083 in x B IN 1 3 mm 0 051 in D IN 8 0_g o 5 mm 0 315_ 0 in EX 8 0 42 mm 10 315I in IN E O mm 0 315 z gi in EX S O mm 0 315 z Ez in IN O OlO 0 034 mm 0 00079 0 00173 in EX 0 035 0 059 m...

Page 18: ...Quantitv Warp limit 7 Clutch spring Free length Quantity 8 Clutch housing radial plav 9 Push rod bending limit 5 TRANSMISSION 11 Tvoe 0 05 mm 0 002 in 0 15 0 4 mm 0 0059 0 0157 in 66 0 05 mm 2 598 in...

Page 19: ...Needle jet 7 Throttle valve 8 Pilot jet 9l Pilot screw Turns out 101 starter jet 11 I Fuel level 12 Idling engine speed 20 LUBRICATION 1 Engine sump oil quantity 2 Oil type and grade 31 Oil pump type...

Page 20: ...il quantity and type Double cradle high tensile frame 27O 115 mm 4 53 in 19 pcs l 4 in 19 pcs l 4 in 42 each L and R Telescopic fork Oil damper coil spring 482 mm 18 99 in 4 x 24 5 mm IO 157 x 0 965 i...

Page 21: ...198 Ibl load Front 1 6 kg cm 122 psi Rear 2 0 kg cm2 I28 psi1 90 kg 198 lb load 206 kg 453 lb load Front 2 0 kg cm2 28 psi Maximum load Rear 2 3 kg cm 32 psi High speed riding Front 2 0 kg cm I28 psi...

Page 22: ...k rod 180 mm 7 09 ini 180 Y 30 mm 17 09 x 1 18 in 4 mm12 mm IO 16 1nI0 08 in 68 mm 2 68 inl D Electrical 1 IGNITION SYSTEM 1 Ignition timing B T D C 2 Ignition coil Model Manufacturer Spark gap Primar...

Page 23: ...30 in 30 mm Il 18 in Mica undercut 0 7 mm 10 028 inl 21 Starter switch Manufacturer HITACHI Model A10470 Amperage rating 1OOA Cut in voltage 6 5V Winding resistance 3 5R 3 Starter clip friction tensio...

Page 24: ...requency Capacity 6 Flasher cancelling unit Model Voltage 7 Fuse Rating Quantity Main Headlight Signal Ignition Condenser type 061300 04810 NIPPON DENS0 85 t 10 cycle min 32 CP 27W x 2 3 4w EVH AC518...

Page 25: ...m kg 6 5 ft lb 6 mm crown nut 0 9 m kg 6 5 ft lb 8 mm crown nut 1 3 m kg 9 5 ft lb 14 mm 2 0 m kg 14 5 ft lb 12mm nut 3 8 m kg 27 5 ft lb 6 mm pan head screw 0 9 m kg 6 5 ft lb 6 mm bolt 0 8 m kg 6 0...

Page 26: ...r shock absorber Lower 10 mm bolt Rear arm and rear arm end 8 mm bolt Front fender 8 mm bolt Neutral switch I 12mm 3 0 m kg 21 5 ft lb 3 9 m kg 28 0 ft lb 1 0 m kg 7 2 ft lb 1 0 m kg 7 2 ft lb 1 3 m k...

Page 27: ...cm3 0 4732 lit liter 0 9461 lit liter 3 785 lit tlrter 0 017855 kg mm 0 07031 kg cm2 5 91OF 32 Centrgrade C INCH TO METRIC SYSTEM I ft lb in lb ft lb in lb mpg mph mi ft Yd in 02 US liq cu in pt US li...

Page 28: ...miting speed of 35 mph This high speed pass assumes an initial speed of 50 mph and a limiting speed of 80 mph LOW SPEED PASS HIGH SPEED PASS T INITIAL SPEED 20 MPH LIMITING SPEED 35 MPH t TOTAL PASSIN...

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