SPECGENERAL SPECIFICATIONS
2-3
Item Standard Limit
Brakes
Front:
Type Single Ø 267 mm disk brake,
2 x 28 mm
Operation Right hand
Fluid DOT 4
Rear:
Type Single Ø 220 mm disk brake,
1 x 34 mm caliper
Operation Right foot
Fluid DOT 4
Suspension
Front Telescopic fork Outside tube
dia. 46 mm
Rear Deltabox Swingarm with
adjustable shock absorber
Spring/shock absorber
Front Coil spring / oil damper
RearCoil spring / gas-oil damper, spring
preload adjustable
Wheel travel
Front 230 mm •••
Rear 230 mm •••
Electrical system
Ignition system Transistorized coil ignition (digital)
Charging system:
Type A.C. magneto
Standard output 14V, 13.5A at 5.000 r/min •••
Battery:
Model GT9B-4
Voltage, capacity 12V, 8Ah •••
Headlight typeQuartz bulb (halogen)
Bulb voltage, wattage x quantity
Headlight 12V 60W / 55W x 1 •••
Tail/brake light 12V 5W / 21W x 1 •••
Turn signal light 12V 10W x 4 •••
Auxiliary light 12V 5W x 1 •••
Meter lighting 12V 3W x 1 •••
Turn signal indicator light 12V 1.2W x 1 •••
Neutral indicator light 12V 1.2W x 1 •••
Auxiliary indicator light 12V 1.2W x 1 •••
High beam indicator light 12V 1.2W x 1 •••
Fuse20A •••
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SPECMAINTENANCE SPECIFICATIONS
2-13
Item Standard Limit
Drive chain
Type/manufacturer 520 135ORSB / Regina Chain
Link quantity 114
Drive chain slack 30.0 - 40.0 mm •••
Front disc brake
Disc outside diameter x thickness 267 x 4 mm •••
Max. deflection ••• 0.15 mm
Brake pad lining thickness-inner 7.5 mm * 3.7 mm
Brake pad lining thickness-outer 7.5 mm * 3.7 mm
Master cylinder inside diameter 13 mm
Caliper cylinder inside diameter 28 mm x 2
Recommended fluid DOT 4
Rear disc brake
Disc outside diameter x thickness 220.0 x 5.0 mm •••
Max. deflection ••• 0.15 mm
Brake pad lining thickness-inner 9.0 mm * 4.5 mm
Brake pad lining thickness-outer 9.0 mm * 4.5 mm
Master cylinder inside diameter 12.7 mm
Caliper cylinder inside diameter 34 mm
Recommended fluid DOT 4
Front brake leverAdjustable
Brake pedal lever
Brake pedal position 10 mm (below the footrest plane) •••
Clutch lever
Clutch lever free play (lever end) 10.0 - 15.0 mm •••
Throttle grip
Throttle cable free play 3.0 - 5.0 mm •••
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SPECMAINTENANCE SPECIFICATIONS
2-15
Tightening
Part to be tightened Thread torque
Remarkssize
N·mm·kg
Front brake:
Front hub/Disc brake M6 x 1.0 12 1.2
Front caliper/Front fork M8 x 1.25 25 2.5
Front caliper/Bleeder tightening M10 x 1.0 14 1.4
Union bolt tightening (front) M10 x 1.0 20 2.0
Rear brake:
Rear hub/Disc brake M6 x 1.0 12 1.2
Rear master cylinder/Frame M6 x 1.0 10 1.0
Rear stop switch/Rear master cylinder M10 x 1.0 20 2.0
Rear caliper/Bleeder tightening M10 x 1.0 14 1.4
Protector rear caliper/Rear caliper M6 x 1.0 10 1.0
Union bolt tightening (rear) M10 x 1.0 20 2.0
Rear brake tank reserve/Air cleaner assy M6 x 1.0 5 0.5
Brake pedal/Frame M10 x 1.25 48 4.8
Sidestand/Footrest:
Sidestand mounting bolt/Frame M12 x 1.25 40 4.0
Sidestand mounting bolt/Nut M12 x 1.25 40 4.0
Sidestand switch/Frame M5 x 0.8 8 0.8
Rear footrest/Rear frame M8 x 1.25 30 3.0
Bracket 1 (main footrest)/Frame M10 x 1.25 48 4.8
Bracket 2 (main footrest)/Frame M10 x 1.25 48 4.8
Footrest cover/Footrest M6 x 1.0 10 1.0
Seat, fuel tank and oil tank:
Seat/Frame M6 x 1.0 10 1.0
Bolt (guide seat)/Fuel tank M6 x 1.0 5 0.5
Fuel tank/Rear frame M6 x 1.0 12 1.2
Damper fuel tank (front)/Frame M8 x 1.25 15 1.5
Fuel tank/Fuel cock M6 x 1.0 7 0.7
Oil tank/Sub-oil tank M6 x 1.0 7 0.7
Union bolt (oil hose 2)/Oil tank assy/Engine M12 x 1.25 35 3.5
Oil hose 1/Oil tank/Engine M6 x 1.0 10 1.0
Oil tank/Rear frame M12 x 1.5 20 2.0
Frame, rear fender compl. and lights:
Rear fender compl. (under)/Rear frame M6 x 1.0 2 0.2
Rear fender compl. (upper)/Rear frame M6 x 1.0 7 0.7
Bracket, license/Rear frame M6 x 1.0 10 1.0
Bracket, license/Rear flasher M6 x 1.0 10 1.0
Horn/Frame M6 x 1.0 13 1.3
Regulator/Frame M8 x 1.25 7 0.7
Igniton coil/Frame M5 x 0.8 13 1.3
Battery box/Rear frame M6 x 1.0 7 0.7
Igniter cover/Battery box M4 1 0.1
Main switch/Frame M24 x 1.0 1 0.1
Tail light (lense)/Rear fender compl. M3.5 1 0.1
Starter switch/Red wire M6 x 1.0 7 0.7
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2-21
SPECLUBRlCATlON POINTS AND LUBRICANT TYPE
CHASSIS
Lubrication points (part name) Lubricant type
Gear unit (tachometer)
Oil seal edges (completely)
Wheel axle (front and rear wheels)
Rear wheel hub and clutch
Bearings brasses (rear arm) and bearing push cover
Front footrest
Pivot points (brake pedal and shift pedal)
Bearings (steering head)
Pivot points (brake lever and clutch lever)
Clutch cable end
Pivot points (sidestand)
Grease nipples (rear arm-front axle)
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SPECCABLE ROUTING
2-26
CABLE ROUTING
(1) Clutch cable
(2) Brake hose holder
(3) Brake hose
(4) Throttle cables
(5) Bands
(6) Lighting wire
harness
(7) Brake and engine
stop switch wire
harness(8) Tachometer/
odometer cable
(9) Complete wire
harness
(10) Socket cover
(11) Engine stop switch
connector
(12) Headlight wire
harness connector
(13) Left turn light
connector(14) Right turn light
connector
(15) Meter wire harness
connector
(16) Main switch wire
harness connector
(17) Clutch switch
(18) Headlight connector
(19) Side/taillight
connector(20) Clutch switch
connector
(21) Brake switch
connector
(22) Clip
[A] Lay the brake hose
throught the holder
on the handle
crown.
ProCarManuals.com
SPECCABLE ROUTING
2-27
(1) Front brake hose
(2) Brake hose holder
(3) Left tube guard
(4) Plastic plate
(5) Throttle cables
(6) Tachometer/
odometer cable
(7) Clutch cable
(8) Clutch cable holder
(9) Throttle cables
holder
(10) Wire harness band(11) Fuel pipe from fuel
cock
(12) Flasher relay
(13) Main relay
(14) Sidestand switch
(15) Diodes (n. 3)
(16) A.C. generator wire
harness (engine)
(17) Engine oil breather
pipe (to engine oil
tank)
(18) Main switch(19) Oil hose (oil tank to
engine)
(20) Oil hose (engine to
oil tank)
(21) C.D.I. unit
(22) Starting motor plus
cable
(23) Starting motor
minus cable
(24) Battery
(25) Starting relay
(26) Fuse (reserve)
(27) Fuse (main)(28) Wire extension
(29) Battery plus cable
[A] Lay the brake hose
behind the left tube
guard and fasten it
down by means of
the plate 4.
[B] Attach throttle
cables 5.
[C] Fasten the fuel pipe
11 to the tank.
[D] Fit the 3 diodes
inside the chassis,
against the coil clip.
ProCarManuals.com
SPECCABLE ROUTING
2-28
(1) Tachometer/
odometer cable
(2) Tachometer/
odometer cable
holder
(3) Tachometer/
odometer cable
band
(4) Right tube guard
(5) Spark plug cable
(6) Horn(7) Carburetor suction
pipe
(8) Main wire harness
band
(9) Rear brake switch
wire harness
(10) Rear brake fluid
tank hose
(11) Hose from rear
master cylinder to
caliper(12) Rear brake hose
holders
(13) Pipe
(14) Air breather pipe
(15) Spark plug ignition
coil
(16) Chassis ground
(17) Engine oil
breather pipe
(to air filer case)[A] Insert the
tachometer/
odometer cable into
the band 3 and the
holder 2.
ProCarManuals.com
INSP
ADJ
CHAPTER 3.
PERIODIC INSPECTION AND ADJUSTMENTS
INTRODUCTION..........................................................................................................3-1
PERIODIC MAINTENANCE/LUBRICATION INTERVALS........................................3-1
SEAT, FUEL TANK AND REAR COWLING................................................................3-3
REMOVAL ............................................................................................................3-3
INSTALLATION ....................................................................................................3-3
ENGINE........................................................................................................................3-4
VALVE CLEARANCE ADJUSTMENT ..................................................................3-4
DRIVE CHAIN ADJUSTMENT ..............................................................................3-7
IDLE SPEED ADJUSTMENT ................................................................................3-7
THROTTLE CABLE FREE PLAY ADJUSTMENT ................................................3-8
SPARK PLUG INSPECTION ................................................................................3-9
IGNITION TIMING CHECK ................................................................................3-11
COMPRESSION INSPECTION ..........................................................................3-12
ENGINE OIL LEVEL CHECK ..............................................................................3-15
ENGINE OIL REPLACEMENT ............................................................................3-17
ENGINE OIL PRESSURE CHECK ....................................................................3-21
CLUTCH ADJUSTMENT ....................................................................................3-21
AIR FILTER CLEANING ......................................................................................3-24
FUEL FILTER CLEANING ..................................................................................3-25
ENGINE OIL TANK FILTER CLEANING ............................................................3-26
SUCTION HOSE AND MANIFOLD INSPECTION..............................................3-28
FUEL LINE INSPECTION ..................................................................................3-28
CRANKCASE VENTILATION HOSE INSPECTION ..........................................3-29
EXHAUST SYSTEM INSPECTION ....................................................................3-29
CHASSIS....................................................................................................................3-30
ADJUSTING THE FRONT BRAKE ....................................................................3-30
ADJUSTING THE REAR BRAKE ......................................................................3-31
CHECKING THE BRAKE FLUID LEVEL ............................................................3-32
BRAKE PAD WEAR INSPECTION ....................................................................3-33
BRAKE HOSING INSPECTION ..........................................................................3-33
BRAKE CIRCUIT BLEEDING ............................................................................3-34
DRIVE CHAIN SLACK INSPECTION AND ADJUSTMENT..................................3-35
DRIVE CHAIN LUBRICATION ............................................................................3-36
FRONT FORK INSPECTION ..............................................................................3-37
ADJUSTING THE FRONT FORK ......................................................................3-37
REAR SHOCK ABSORBER ADJUSTMENT ......................................................3-38
STEERING INSPECTION ..................................................................................3-40
TYRE INSPECTION ............................................................................................3-41
WHEEL INSPECTION ........................................................................................3-44
SPOKE INSPECTION AND TIGHTENING ........................................................3-44
CABLE INSPECTION..........................................................................................3-45
LEVER AND PEDAL LUBRICATION ..................................................................3-45
SIDESTAND LUBRICATION ..............................................................................3-46
REAR SUSPENSION LUBRICATION ................................................................3-46
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