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CHASSIS 

Front  suspension 

Rear suspension 

Steering angle 

Caster 

Trail 

Turning  radius 

Front 

brake 

Rear brake 

Front tire size 
Rear tire size 
Front  tire  pressure 

Rear  tire  pressure 

ELECTRICAL 

Ignition  type 

Ignition timing 
Spark  plug 

Battery 

Generator 

F

u

s

CAPACITIES 

Fuel  tank  including  reserve 

reserve 

Engine oi 

tank 

Transmission  oil 

Bottom link oil dampened 

Swinging  arm 

45°  (right 

left) 

63°00" 

81  mm  (3.19  in) 

1.7  m  (5. 6 

h) 

Internal  expanding 

Internal  expanding 

3. 00·12  4PR 
3.00·12  4PR 

125 kPa (1. 25  kg/cm',  18  psi)  ( Normal  solo  riding) 

150  kPa (1. 50  kg/cm',  21  psi) 

Normal  solo  riding) 

S UZUKI "PEI" 

25°  B.T.D. C.  at  4  000  r/min 

NGK  BP4HA  or 

NIPPON  DENSO W14FP-Ul 

6V 14. 4  kC 14 Ah)/10 HR 

Flywheel  magneto 

10A 

4.5 L (1.2 US gal) 
0.2  L (0.2 

US 

qt) 

1.2 

(1. 27  US qt) 

800 ml (0.85 US qt) 

• 

These specifications  are subject to change without  notice. 

Summary of Contents for FZ50 N 1979

Page 1: ......

Page 2: ...en primarily for the experienced Suzuki mechanic but will also be very useful even for the amateur do it yourself mechanic The entire manual should be thoroughly reviewed before any servicing is perfo...

Page 3: ...OIL 5 PEI SYSTEM 6 FLYWHEEL MAGNETO 7 CHASSIS ELECTRICAL 8 SPECIAL MATERIALS 11 SPECIAL TOOLS 12 WIRE AND CABLE ROUTING 14 WIRING DIAGRAM 16 SERVICE DATA 17 VIEW OF SUZUKI FZSO X 23 IGNITION COIL 24...

Page 4: ...2...

Page 5: ...Transmission Gearshift pattern Primary reduction Final reduction Gear ratios Low 2nd Drive chain chain gear 1 650 mm 65 0 in 665 mm 26 2 in 990 mm 39 0 in 1 120 mm 44 1 in 120 mm 4 7 in 59 kg 130 lbs...

Page 6: ...oiI tank Transmission oil Bottom link oil dampened Swinging arm 45 right left 63 00 81 mm 3 19 in 1 7 m 5 6 h Internal expanding Internal expanding 3 00 12 4PR 3 00 12 4PR 125 kPa 1 25 kg cm 18 psi No...

Page 7: ...TRANSMISSION OIL Use a good quality SAE 20 W 40 multi grade motor oil...

Page 8: ...charged at the specified ignition timing to the ignition coil primary winding thus inducing a high surge of voltage in the secondary winding As a result a spark occurs at the spark plug gap The PEI ma...

Page 9: ...I V i v I r _ 2 3 4 2 sparks per crankshaft rotation 5 5 V or more at 2 500 r min 8 5 V or less at 8 000 r min 0 7 A or more at 4 000 r min 3 0 A or less at 8 000 r min 12 kV or more at 500 8 000 r m...

Page 10: ...X x 1 Make a following continuity test Unit Approx tf J COLOR CODE APPROX fl B W Y 0 4 B W WIA 0 75 BIA RIB 230 Using the pocket tester check the ignition coil Resistance Knob position Core BIY 0 1 1...

Page 11: ...PEI test lead coupler typeiI09900 2 8607 1 Wire as shown in the figure and turn the main switch to ON It is in good condition if the indicator light comes on and remains lit If the light stays off rep...

Page 12: ...nob should be set at X 1n or X 1 k l range referring to the chart The two testing probes and are to be placed on terminals of the PEI unit referring to the chart The probe or pointer is to be placed o...

Page 13: ...of this manual Material Suzuki super grease A 99000 25010 Suzuki bond 1215 99104 31110 Suzuki lock super 1363C 99104 32050 Use I oQil seals o Cable speedometer O Brake cam shaft o Speedometer gears o...

Page 14: ...09900 25002 PEI test lead 09900 28607 Bearing installer 09913 75820 Cylinder gauge set 09900 20508 Torque wrench 09009 21102 to 120 kg cm 09900 21103 100 900 kg cm Stud bolt installer 09910 10110 Cra...

Page 15: ...e wrench 09940 60113 Tire pressure gauge 96200 41330 Spark plug wrench 09930 10111 Rotor holder 09930 401 13 Steering race installer 09940 53111 Rotor remover slide shaft 09930 30102 Steering stem nut...

Page 16: ...Turn signal relay ii m lJ 0 c t z C E II m z c IXI r m II 0 c f z G...

Page 17: ...Front brake cable Rear brake cable Front fork a tR I 97 c g Rear brake cable Rear brake cable pivot Cable guide plate tu r m x J 0 c I z...

Page 18: ...W A White whh Red tracer PEI UNIT MAGNETO GNITION crnL T i rll nii i II ff 1 m l Nfl SPARK PLUG o m i l iIF ii imii i ii m 6 m TU8E RIB vn TUBE joT Y R Yellow with Red uacer I I I I I w TAIL BRAKE LI...

Page 19: ...skirt end Cylinder distortion 0 05 0 00 2 Cylinder head distortion 0 05 0 002 Piston ring free end gap Approx 4 5 3 6 R 0 1 8 0 14 1st Approx 5 0 4 0 T 0 2 0 0 16 Approx 4 5 3 6 R 0 1 8 I 0 14 2nd T A...

Page 20: ...CCI pump discharge rate 1 02 1 26 ml Full open 0 03410 036 0 043 0 044 US Imp oz for 6 minutes at 2000 r min CLUTCH Unit mm in ITEM STANDARD LIMIT Clutch wheel l D Low 87 00 87 15 87 40 3 425 3 431 3...

Page 21: ...ilot jet P J Pilot outlet P O l Air screw A S Valve seat V S Starter jet G S Throttle cable play 19 STANDARD 1 000 8 696 31 13 x 62 17 Low 2 137 62 29 2nd 1 421 54 38 0 05 0 10 0 002 0 004 STANDARD Ty...

Page 22: ...FICATION 2 B T D C at 4000 r min NGK BP4HA or NIPPON DENSO W14FP UL 0 6 0 8 0 024 0 031 8 Y Ground Approx 0 1 Plug cap Ground Approx 15 17 k Y R Ground Approx 0 1 n W R Ground Approx 0 1 n B R R 8 App...

Page 23: ...Rear 100 7 I 3 96 Brake lining thickness 1 5 I 0 06 Wheel rim runout Axial 2 0 I 0 08 Radial 2 0 0 08 Wheel axle runout Front 0 25 0 010 Tire size Front 3 00 12 4PR Rear 3 00 12 4PR Tire tread depth F...

Page 24: ...2 CYCLE MOTOR LUBRICANT or an equivalent good quality synthetic based 2 cycle oil Engine oil tank capacity 1 2 L 1 3 I 1 1 US Imp qt Transmission oil type SAE 20W 40 Transmission oil capacity 800 ml...

Page 25: ...23 VIEW OF SUZUKI FZSO X RIGHT SIDE VIEW LEFT SIDE VIEW...

Page 26: ...1 B Y High tension Approx 4 6kD xk 1 TURN SIGNAL LIGHT SWITCH Check the conductivity between the lead terminals on the left handle switch box when the turn signal indicator knob is operated If there i...

Page 27: ...acer fl l 11 Q Lll J rni1 RIB Red with Black tracer It f u I WJR Wh 11a w11h Red uacor I RIB a ci ICilllTIONCOIL WIB WhilO wilh Block uece j I rl J R 0 YIR Yellow with Rod tracer 8IY 8 R m I I 11 TURN...

Page 28: ...e end gap Approx 4 5 I 3 6 R 0 18 0 14 1st Approx 5 0 4 0 T 0 20 0 16 Approx 4 5 3 6 R 0 18 0 14 2nd T Approx 5 0 4 0 0 20 I 0 16 Piston ring end gap 0 10 0 25 0 75 0 004 0 010 0 030 Piston ring to gr...

Page 29: ...0 No groore at any 3 42 3 43 part High 104 7 104 8 No groore at any 4 12 4 13 part Clutch engagement 2500 200 r min Clutch lock up 3700 300 r min Clutch spring free length Low 28 1 10 High 33 1 30 TR...

Page 30: ...02421 Idle r min 1500 150 r min Float height 22 4 1 0 0 88 0 0 4 Main jet M J ii 57 5 Air jet A J 2 5 Jet needle J N 3013 3 Needle jet N J E 2 Cut away C A 2 0 Pilot jet P J 1 5 Pilot outlet P 0 0 9...

Page 31: ...E NSO W14FP UL Gap 0 6 0 8 0 024 0 031 Primary B Y Ground Approx 0 1 n Secondary Plug cap Ground Approx 4 6 kn Lighting B W Y Approx o 4n Charge B W W R Approx 0 75U B R R B Primary Approx 230U Night...

Page 32: ...100 7 3 96 Brake lining thickness 1 5 0 06 Wheel rim runout Axial 2 0 0 08 Radial I 2 0 0 08 Wheel axle runout Front I 0 25 0 010 I Tire size Front I 3 00 12 4PR Rear I 3 00 12 4PR Tire tread depth F...

Page 33: ...quivalent good qualitV synthetic based 2 cycle oil Engine oil tank capacity I 1 2 L I 1 3 1 1 US Imp qt Transmission oil type SAE 20W 40 I Transmission oil capacity 800 ml I Change 0 85 0 7 0 US Imp q...

Page 34: ...Prepared by SUZUKI MOTOR CO LTD Service Department Overseas Oper ilions Division December 1980 Manual No 99000 85057 0E3 ri SUPPL Printed in Japan...

Page 35: ...SUZUKI MOTOR CO LTD...

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