Yamaha TT350S Service Manual
Specifications and Main Features
- Model: TT350S
- Starting Serial Number: JYA1RGO0O*GA00101
- Engine Serial Number : 1RG-000101
- Engine Oil Type Recommended: Yamalube 4 with SAE 20W40 SE or SAE 10W30 SE.
- Capacity of Engine Oil: 1.3L which is 1.14 Imp qt or 1.37 US qt
- Inlet Compression Pressure at sea level: Standard of 1,079 kPa (11 kg/cm2, 156 psi) a minimum of 883 kPa (9 kg/cm2, 128 psi and a Maximum of 1,177 kPa (12kg/cm2, 171 psi)
- Valve Clearance ranges from 0.08~0.12mm for Intake and 0.13~0.17mm for Exhaust
- Drive Chain Slack: 40~45 mm which is 1.6~1.8 inches.
- Front Brake has free play ranging from 5~8 mm which are 0.2~0.3 inches.
- The Rear Brake has free play ranging from 20~30 mm which is 0.8~1.2 inches.
- The Clutch has Free Play of 8-13 mm which is equal to 0.3 upto 0.5 inches.
- Wheel Bearing Tightening Torque has been set to 23 Nm which is equal to 2.3 mkg upto 17 ft lb.
- Steering Head Bolt Tightening Torque has a value of 85 Nm which is equal to 8.5 mkg upto 61 ft lb.
- Each Fork of the Front Fork has an oil capacity of 533 cm³ which is equal to 18.76 Imp ounces or 18.02 US ounces.
- Maximum Air Pressure for Front Fork: 118 kPa (1.2 kg/cm², 17 psi)
Frequently Asked Questions
Q: What oil is suitable for the TT350S engine?
A: SAE 20W40 Type SE Motor Oil or Yamalube 4, Type SE Motor Oil is most suitable.
Q: The clearance of the valves for this model is which specification?
A: For a cold TT350S, the set of values of valve clearance specification should be of 0.08 ~ 0.12 mm for the intake valve and 0.13 ~ 0.17 mm for the exhaust valve.
Q: The maintenance schedule has the oil change frequency of what?
A: The oil change will take into account the maintenance schedule along with engine oil filter changes if required.
Q: The compression pressure for the engine for this model should not exceed what?
A: This model should preferably not have its compression pressure exceed 1,177 kPa (12 kg/cm², 171 psi).
Q: The slack for the drive chain can be checked how?
A: The machine will have to be maintained upright while slack is being measured, when the chain is being checked the slack should lie within 40~-45mm (1.6~1.8 inches)
Q: Adjustment of the clutch how to do?
A: Checking the free play of the clutch will provide data to facilitate adjustment between 8~13mm (0.3~0.5inch).
Q: What procedures should I follow in case the nut on the steering assembly starts to become loose?
A: The assembly will be considering to be loose when the adjustment of the steering head fitting bolt is being done. The torque specifications that are being needed are going to be adjusted now.
Q: Is it a viable option for me to modify the air pressure in the front forks? And if so, how would I be able to lower the air pressure?
A: In order to alter the air pressure in the front forks, the caps that are located on the valve should be unscrewed, and an air check gauge should be utilized. The pressure should not cross the threshold of 118 kPa, 1.2 kg/cm², or 17 psi.
User Manual
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