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richpiano · 10-18-2022, 09:04 PM

Turns out in trying to be gentle with the brass, I had not screwed the main jet in tightly enough, and also had an air leak with the current airbox not being installed correctly.. there was a big gap between the rubber and the frame allowing air to escape around the filter! I replaced the stock filter with a pod filter (https://www.walmart.com/ip/Air-Filte...more/568302849) and if I remember correctly am currently running a 100 main with stock exhaust and stock pilot jet. I ordered what I think are the correct pilot jets after getting the wrong ones before: https://www.denniskirk.com/ebc/rd-vm...d/17339730.sku

Mine is the VM26 knockoff carb but those jets look similar: https://www.amazon.com/exec/obidos/A...5be6b7a22ce1d2

I am able to hit about 45mph but it still sputters on full throttle and doesn't want to idle. Thinking of going down a size in the main jet for top speed and ordered a 30, 35 and 40 pilot to test those to stabilize the idle. Am I on the right track?

I feel that my main jet is still a little low compared to other reports. Maybe if I replace the pilot jet I would be able to go higher on the main? Not sure if that is how it works.

10-18-2022, 09:04 PM	#3
richpiano Join Date: Aug 2022 Posts: 15	Turns out in trying to be gentle with the brass, I had not screwed the main jet in tightly enough, and also had an air leak with the current airbox not being installed correctly.. there was a big gap between the rubber and the frame allowing air to escape around the filter! I replaced the stock filter with a pod filter (https://www.walmart.com/ip/Air-Filte...more/568302849) and if I remember correctly am currently running a 100 main with stock exhaust and stock pilot jet. I ordered what I think are the correct pilot jets after getting the wrong ones before: https://www.denniskirk.com/ebc/rd-vm...d/17339730.sku Mine is the VM26 knockoff carb but those jets look similar: https://www.amazon.com/exec/obidos/A...5be6b7a22ce1d2 I am able to hit about 45mph but it still sputters on full throttle and doesn't want to idle. Thinking of going down a size in the main jet for top speed and ordered a 30, 35 and 40 pilot to test those to stabilize the idle. Am I on the right track? I feel that my main jet is still a little low compared to other reports. Maybe if I replace the pilot jet I would be able to go higher on the main? Not sure if that is how it works.
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