steam Posted May 3, 2010 Report Share Posted May 3, 2010 I was stuck on a slippery mud climb yesterday and while i was just getting wheelspin revving its nuts off in 4th the engine was pinking which worried me. Any ideas how to stop it? i use high octane petrol and a 75:1 mixture Quote Link to comment Share on other sites More sharing options...
dan williams Posted May 3, 2010 Report Share Posted May 3, 2010 Check your cooling system to make sure you're not low on fluid. Check to make sure you have the proper plug and have a look to see if it is hotter then it should be. Clean carb to eliminate dirt/water in jets. Check fan to make sure it is operating and radiator is unobstructed. By high octane petrol do you mean racing fuel or just pump gas. I've had batches of "premium" pump gas that were awful. Quote Link to comment Share on other sites More sharing options...
stork955 Posted May 3, 2010 Report Share Posted May 3, 2010 Gday, after doing all Dan's stuff, check the timing with a light, and if that is OK its time for a decoke. Generally just the head and the piston crown will do. Also clean the exhaust, its also due. (That wont help pinging though). Cheers, Stork Quote Link to comment Share on other sites More sharing options...
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