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Engine: |
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Engine Type: |
Liquid Cooled, 4 Stroke, DOHC |
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Number Cylinders / Displacement |
4 / 1294cc (78.96 cu. in) |
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Bore X Stroke |
79 X 66mm (3.11 X 2.60 in) |
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Valve Clearance (Cold) Intake:
Exhaust: |
0.11~0.15mm (0.004~0.006 in)
0.16~0.20mm (0.006~0.008 in) |
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Oil Type: Above 5ºC (40ºF) |
Yamalube 4, 20W40*
*20W40 no longer available*
Use 10W40 or 20W50 |
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Oil Type: Below 15ºC (60ºF) |
Yamalube 4, 10W30 |
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Oil Capacity: Oil & Filter Change
Oil Change Only |
3.7L (3.9 US Qt.)
3.5L (3.7 US Qt.) |
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Cooling System: |
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Coolant Type / Mixing Ratio |
Ethylene Glycol-Water / 1:1 |
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Capacity: |
3.5L (3.7 US Qt.) |
| Fuel System: |
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| Carburetor Manufacturer / Type / Qty |
Mikuni / BDSR32 / 4 |
| Main Jet |
#1,2 : #122.5; #3: #117.5; #4: #120 |
| Pilot Jet |
#15 |
| Needle Jet / Jet Needle |
P-0 / 5DL38-54 |
| Clip Position |
Fixed |
| Float Height / Fuel Level |
- / 17 ± 0.5 mm |
| Idle RPM |
950~1050 RPM |
| Set CO% |
#1,3: 2.5~3.5%; #2,4: 3.5~4.5% |
| Fuel Tank Capacity: Main / Reserve |
22.5L (5.9 US gal) / 3.5L (0.9 US gal) |
| Fuel Type |
Unleaded Regular |
| Transmission: |
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| Oil Type / Capacity |
See Engine |
| Final Drive: |
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| Final Drive Type |
Shaft Drive |
| Oil Type |
SAE 80 GL-4 Hypoid Gear Oil |
| Capacity |
0.2L (0.2 US Qt.) |
| Suspension: |
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| Front Fork: Oil Type |
5wt Yamaha Fork Oil |
| Level / Quantity |
117mm (4.6 in) / 553cc (18.7 US oz) |
| Air Pressure Min~Max |
0~50kPa (0~7.3 psi) |
| Air Pressue Standard |
0kPa (0 psi) |
| Rear: Spring Preload (Std Installed Length) |
165.5mm (6.52 in) |
| Air Pressure Min~Max |
0~400kPa (0~57 psi) |
| Air Pressure Standard |
0kPa (0 psi) |
| Tires: |
More Tire Info Here |
| Front: Size |
150/80-16 71H |
| Nominal Air Pressure |
250kPa (36 psi) |
| Rear: Size |
150/90-B15 M/C 74H |
| Nominal Air Pressure |
250kPa (36 psi) |
| Ignition System: |
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| Ignition System |
Transistor Controlled (Digital) |
| Ignition Timing (BTDC) |
45º @ 5000 RPM |
| Spark Plug Type: NGK / Denso |
DPR8EA-9 / X24EPR-U9 |
| Spark Plug Gap |
0.8~0.9mm (0.031~0.035 in) |
| Spark Plug Cap Ω |
10K Ω |
| Ignition Coil: Test Gap |
6mm (0.24 in) |
| Primary Ω / Secondary Ω |
4.2Ω Â± 15% / 12.6KΩ Â± 15% |
| Pickup Coil: Color Code / Ω |
Gy~B / 210Ω Â± 10% |
| Cylinder Identification |
/\ Front of Bike /\
(Cyl 2) (Cyl 4)
(Cyl 1) (Cyl 3) |
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| Charging System: |
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| Charging System Type |
A/C Magneto |
| Maximum Output |
14V 30A @ 5000RPM |
| Battery: Model # |
YTX20L-BS |
| Specific Gravity / Charge Rate |
1.320 / 2.0A |
| Stator Coil: Color Code / Ω |
W~W~W / 0.31Ω Â± 10% |
| Lighting System: |
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Headlight
Yamaha Part # |
12V 60W~55W
5V2-84314-00-XX |
Taillight
Yamaha Part # |
12V 27W~8W
256-84714-61-00 |
| Turn Signal |
F: 12V27W~8W R: 12V27W |
| Indicator |
12V1.7W |
| Torque Values: |
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| Drain Plug, Engine Oil |
31 ft-lb |
| Valve Cover Bolts |
7.2 ft-lb |
| Spark Plug |
13 ft-lb |
| Front Axle Nut |
56 ft-lb |
| Front Axle Pinch Bolt |
13 ft-lb |
| Front Brake Caliper Bolts |
29 ft-lb |
| Rear Axle Nut |
110 ft-lb |
| Rear Axle Pinch Bolt |
13 ft-lb |
| Rear Brake Caliper Bolts |
29 ft-lb |
Swing Arm Pivot Shaft: Right
Left & R.H. Locknut |
5.1 ft-lb
72 ft-lb |
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| Tune Up / Maintenance Parts: |
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| Air Filter (QTY 2) |
4XY-14451-01-00 |
| Fuel Filter |
1FK-24560-00-00 |
| Oil Filters: |
More filter info here |
| Yamaha |
3FV-13440-10-00 |
| Purolator |
ML16817 |
| Wix |
51358 |
| NAPA Gold |
1358 |
| Fram |
PH6017A |
| Gasket, Engine Oil Drain Plug |
214-11198-01-00 |
| Gasket, Valve Cover |
4NK-11193-00-00 |
| Spark Plugs: Yamaha # |
NGK-DPR8E-A9-00 |
| NGK |
Standard: DPR8EA-9
Iridium: DPR8EIX-9 |
| Denso |
Standard: X24EPR-U9
Iridium: IX24B |
| Spark Plug Gap |
0.8~0.9 mm (.031~.035") |
| Spark Plug Torque |
13 ft-lb |
| Front Brake Pad Kit, Yamaha |
4WM-W0045-00-00 |
| EBC Organic |
FA179 |
| EBC Sintered Metallic |
FA179HH |
| Carbone Lorraine |
CL-2391-A3 |
| Rear Brake Pad Kit, Yamaha |
4NK-W0046-00-00 |
| EBC Organic |
FA123 |
| EBC Sintered Metallic |
FA123HH |
| Carbone Lorraine |
CL-2305-A3 |
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