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While I’m back in the engine do these con rod bearings look good to you? Don’t want anything seizing at 5k

Alright my exhaust valve length measures as 2.45” and intake as 2.52” jus for when I need it https://www.dynocams.com/item/cl-1125/cloem-head/ https://www.dynocams.com/item/cl-1126/clam-vt/ First one 2.445” other is 2.448 inches long. Im also getting 2 new rocker studs, the other one was...

Got sum more plug readings, on the .035” jet. One with the red arrow shows the color change to white, about 1 hour on that plug. I pulled the plug again after some more riding, that is the plug without the arrow

OMB carb is keihin and got number 64YAM023. My old carb was yinba. I put in the .035, left everything else alone. I did a couple tests idle to WOT at operating temp and it still seems to like 1.8 - 2 turns out, not leaving any rubber behind. Tested in 1/8 increments from 2.25 to 1.75 turns...

@BrownStainRacing I did some testing with the same jetting size and I don’t have numbers for amount of time to get from idle to WOT but I do have some qualitative information. Based by adjusting the idle/air for highest idle, I get the highest idle rpm at 1.8 - 2 turns out, going from 2k at a...

The gas passes thru the box and is sent out again thru to the airbox to get reburnt

New and improved PCV system!

Here’s the most current plug on my modified 196cc (NGK BP9ES) . Currently running a .625in slide in stock style carb with .036 main jet, .020 pilot jet The fuel/air idle mixture was 2 1/4 turns out from tightened Let me know what needs to be changed to get it running healthier

Alright I got the parts set up, hopefully this lil motor can turn out to be a beast https://www.ombwarehouse.com/side-cover-gasket-honda-gx200-clone.html https://www.ombwarehouse.com/2-gx200-clone-piston-circlips.html https://www.ombwarehouse.com/billet-rod-3_323-honda-gx200-_020-arc62691.html...

Alright took the cover off and here’s the setup I measured with:

Quick post about measuring the piston to deck height on my stock 196cc motor. The piston sits way lower than stock at around 0.04 inches. Any reasons why? (.035 in. Feeler gauge for context)