ticker oil don't solve overheating problems only put more stress on the oil pump increasing the fuel consumption an lower the power output of the engine.
Automotive oil contain friction modifiers and will damage the clutch .
I recommend rotella 15w-40, is inexpensive and certify for Japanese motorcycles.
This engines run very hot because the carburetor is tun very lean to met emissions and is the main reason for damage exhaust valves
|