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Search: Posts Made By: cutarug

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Forum: Engine Conversions

05-29-2022, 11:14 PM

Replies: 11

Huasheng 139F 39CC 4 stroke OHV Engine mods

Views: 2,517

Posted By cutarug

I tried a 2 stroke walbro No24 and used crankcase...

I tried a 2 stroke walbro No24 and used crankcase pulse for pump but it could not deliver the fuel required so went back to original carb
Exhaust is a short pipe 50mm long.
I have 3d printed a new...

Forum: Engine Conversions

05-28-2022, 01:42 AM

Replies: 11

Huasheng 139F 39CC 4 stroke OHV Engine mods

Views: 2,517

Posted By cutarug

Huasheng 139F 39CC 4 stroke OHV Engine mods

I converted a Huasheng 139F39cc 4 stroke engine and I get 6000 rpm with a Bolly 21 x 8 , but need a bit more performance, even 200 RPM would do it.
The engine is reliable and does not overheat like...

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