Recommended Fuel Octane : 95 Ron Unleaded Fuel
Maximum fuel capacity : 13L ( maximum 12 liter is recommended )
Warning: Using incorrect or low-quality fuel can cause problems like engine misfires or sluggishness in motorcycles. When fuel with an insufficient octane rating for the engine's compression ratio is used, it can lead to premature ignition or knocking, resulting in decreased engine performance. Moreover, low-quality fuel may contain contaminants or additives that can adversely impact combustion and engine function. It's crucial to adhere to the recommended octane rating and opt for high-quality fuel to maintain optimal performance and prolong the engine's lifespan.
Clutch lever Free play : 10 mm - 15 mm
Throttle cable Free play : 3 - 7 mm
Rear Brake Pedal FreePlay : 20-30 mm
Chain Slack Or FreePlay : 20-30mm
Valve Clearance : 0.08-0.12 mm ( inlet ) , 0.10-0.14mm ( exhaust )Check Valve Clearance Every : 2000kmNote: Adjust valve clearance on cold engine
Spark plug Gap : 0.6 mm - 0.7 mm.Spark Plug Tightening : 1/2 or 180° for new spark plug for first time and 1/8 or 45° to 90° turn for old spark plug
warning : Dont put too much force while tightening it.
Spark Plug Torque : 9.6lbf-ft
Factory Idle Setting : 2 and half turns
idle mixture screw setting for summers : 2 turns and 25 degrees loose
Engine idle speed : 1400 Rpm ± 100 Rpm
Engine oil : 1 liter
Recommended oil viscosity : 20w-50
Minimum Engine oil API Standard: API SG, MA
Recommended Engine oil API Standard: API SL, MA
Engine Oil Drain Bolt Torque : 15lbf-ft
In winters : YamaLube 10w-40
in summers: YamaLube 20w-50
Oil Change Interval : 2000 - 3000 km or earlier ( depends on riding conditions and engine oil type ) Note: use only quality synthetic engine oil for more than 3000 km
Front Axle Torque : 43lbf-ft
Rear Axle Torque : 59 lbf-ft
Rear Brake Drum stoper Rod : 14 lbf-ft
Recommended Brake Fluid : DOT3 or DOT4
Recommended Front Tyre Size : 2.75/18
Recommended Rear Tyre Size : 90/90/18
Recommended Minimum Tyre Tread Depth: 1mm
Front Tyre Pressure : 25PSI
Rear Tyre Pressure : 29PSI with rider only, and with pillion 36PSi
Maximum Load on Motorcycle : 150KG
Note: Before securing the spark plug, hand-tighten it to ensure it's correctly aligned. Then, using a spark plug wrench, rotate the spark plug half a turn to the right for initial tightening. After this step, slightly loosen the plug before tightening it again to the right, this time by about 1/8 or 45°. This process is essential for properly positioning the spark plug gasket in the head, ensuring a snug and secure fit.
Warning: The torque specifications mentioned are tailored for the Yamaha YBR 125 series spark plug. To ensure proper installation and prevent any damage or incorrect fitting, it's crucial to consult your motorcycle's owner's manual for the precise torque specifications applicable to your spark plug.
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