pinky Posted May 18, 2019 Report Share Posted May 18, 2019 Hi, I am having a problem on start up, the engine starts, but bangs cracks pops in the exaust pipe, When the engine warms this stops, I recon on to much air getting in some were, then when warm expands and stops Or could it be blocked jefs in the carb Running on webber's, and 123 unit What do you think Thanks pink Quote Link to post Share on other sites
elclem1 Posted May 21, 2019 Report Share Posted May 21, 2019 Had the same problem this weekend at a hill climb, I reset all of the timing, valve gaps and carbs hey presto everything ok. One thing I did notice was the overfuel unit at the back of the carbs one was leaking so as I don’t use them I blanked them off now at least I have no random fuel leaks or overfueling. Quote Link to post Share on other sites
Crawfie Posted May 21, 2019 Report Share Posted May 21, 2019 On 18 May 2019 at 8:56 PM, pinky said: Hi, I am having a problem on start up, the engine starts, but bangs cracks pops in the exaust pipe, When the engine warms this stops, I recon on to much air getting in some were, then when warm expands and stops Or could it be blocked jefs in the carb Running on webber's, and 123 unit What do you think Thanks pink Pink, you've filled your tank up with Rice Krispies !!!! Quote Link to post Share on other sites
pinky Posted May 21, 2019 Author Report Share Posted May 21, 2019 I never thought of that, , I will have to change to cornflakes, no frosties, that should sort it Pink Quote Link to post Share on other sites
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