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stock cylinder 4 mil


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alright having some issues with a bike. stock cylinder 4 mil. 19cc domes, 210 psi running 110 with cpi inframes. 39 mikunis with 45 pilot and 350 mains with about a turn out on screw at 7 degrees timing. its still boggy coming out the hole opens up but then seems to die on the top. any advice would help. thanks

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You would take a lot of guess work out by going to a dyno shop and trying different timing and jetting. At least you could se on the AF meter where your at in regards to jetting.

if it’s not timing or jetting I would think a done change would be in order

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15 hours ago, gusto said:

You would take a lot of guess work out by going to a dyno shop and trying different timing and jetting. At least you could se on the AF meter where your at in regards to jetting.

if it’s not timing or jetting I would think a done change would be in order

Everything in the motor is new so I’m pretty sure it’s the jetting. Was running just fine before I switched it over to 110..

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