Yamaha YBR125 Maintenance Specs
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Recommended Fuel Octane : 95 Ron Unleaded Fuel
Maximum fuel capacity : 13L ( maximum 12 liter is recommended )
Warning: wrong octane or low quality fuel cause missing or bogging in this motorcycle
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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
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Valve Clearance : 0.08-0.12 mm ( inlet ) , 0.10-0.14mm ( exhaust )
Check Valve Clearance Every : 2000km
Note: Adjust valve clearance on cold engine
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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 tighting it.
Spark Plug Torque : 9.6lbf-ft
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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
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Front Axle Torque : 43lbf-ft
Rear Axle Torque : 59 lbf-ft
Rear Brake Drum stoper Rod : 14 lbf-ft
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Recommended Brake Fluid : DOT3 or DOT4
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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 : first tighten spark plug by hand . for tightening new spark plug turn the spark plug 1/2 turn right with spark plug wrench and then loosen it and then turn it right again this time turn it 1/8 or 45° . this will crush spark plug gasket and securely seat it in the head
Warning : these torque values are only applicable for Yamaha Ybr 125 series spark plug check owners manual for your motorcycle spark plug torque specs
