
Maintenance Specs for Honda CB150F

​Valve Clearance : 0.08mm (inlet) 0.12mm (exhaust)
Quantity : 1 liter
​Spark plug : NGK CPR8EA-9
Spark plug Gap : 0.8 mm - 0.9 mm
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Spark Plug Tightening Turns : 1/2 for new spark plug and 1/8 for old spark plug
Note : When fitting a new spark plug, start by hand-tightening it to ensure it aligns correctly. Then, using a spark plug wrench, turn the plug half a rotation to the right. After this initial tightening, gently loosen the plug before carefully tightening it again, this time by 1/8 of a turn. This sequence aids in securely seating the spark plug, guaranteeing a snug fit for optimal engine performance.
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Engine idle speed : 1400 Rpm ± 100 Rpm
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Recommended oil viscosity : 10W-30
Note: Use 10W-40 conventional engine oil in summer to prevent engine damage from oil thinning due to heat
Recommended API Standard: API SL, MA
Quantity: 1 liter
After engine overhaul: 1200ml
Oil Drain Bolt Torque Spec : 3.1 kgf .m ( 30 nm )
Oil Change Interval : 4000 km or earlier ( depends on riding conditions and engine oil type )
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Clutch lever FreePlay : 10 mm - 20 mm
Front Brake Lever FreePlay : 10 mm - 20 mm
Rear Brake Pedal FreePlay : 20 mm - 30 mm
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Chain Slack : 20 mm - 30 mm
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Lubricate Chain With: Drive chain lubricant or SAE 80/90 Gear oil
Type : Manual transmission oil (non synthetic)
Chain Lubrication Interval : 500 km or less
Chain Adjuster Nut Torque Specs : 1 k.gf - m ( 7.2 Foot Pound )
​Chain type: 428
Chain links: 120
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Front Axle nut Torque Specs : 6.0 k.gf - m ( 47 Foot Pound )
Rear Axle nut Torque Specs : 6.9 k.gf - m ( 49.9 Foot Pound )
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Front Sprocket size : 14 (Drive)
Rear Sprocket size : 43 (Driven)
Sprocket Carrier Nut Torque Specs : 3.5 - 4.5 k.gf - m( 25.3 - 32.5 Foot Pound )
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Recommended Front Tyre Pressure : 25 Psi
Rear Tyre Pressure : 29 Psi For only rider , 33 Psi with Rider
+ Passenger
Recommended Front tyre size : 80/100-18M/C47P
Rear tyre size :90/90-18M/C51P
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Battery : 12 V , 6 A
Fuse : 20A ( main ) 10A ( other )
For new spark plug
for old spark plug
