4
Engine break-in
Run bike at no more than three quarter throttle & do not allow engine to
rev to a high speed. Engine break-in should be no less than one hour.
Aer one hours carry out the following checks & procedures:
□ Drain oil & replace with 950mls quality 10w 30w or 10w 40 4-stroke
engine oil (page 48)
□ Check all nuts & bolts & tighten where necessary (page 121)
□ Check wheel spokes (especially rear wheel drive side) & tighten where
necessary
□ Re-Adjust throttle cable & clutch cable if required (page 57 & 60)
□ Re-tension chain and lubricate
□ Check wheel bearings for any sign of wear of free-play
□ Check brake calliper operation & brake pad wear (page 70)
□ Check tire pressures (page 78)
Remember to do pre-ride inspection each time you ride (page 23)
FUEL HANDLING
Precautions should be taken when handling any type of petrochemicals.
Gasoline can catch re, and is toxic to life and the environment.
umpstar motorbikes recommend the following safety tips to avoid
accidents, injury/death:
Always turn o the engine when re-fuelling. Do not refuel right aer
the engine has been running and is still very hot. Do not spill gasoline on
the engine or exhaust pipe/muer when refuelling. When transporting the
machine in another motorcycle, be sure it is kept upright and that the fuel
cock is in the “OFF” position. Otherwise, fuel may leak out of the Carbure-
tor or fuel tank.
Engine Installation
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