carburetor Jets

[james williams]

I worked on a J150glsrm that burned pistons on port side.My question,what is the purpose of smaller jets on the port bank[high speed jets] Thanks. james

 

[Faztbullet]

Re: carburetor Jets

The all should have been 69's on high speeds jets. I wonder if someone read the parts breakdown wrong and replaced them?

 

[tashasdaddy]

Re: carburetor Jets

sounds like some screw up rebuilding the carbs, i now have a magnifing glass to check the # when i rebuild one. got them mixed up. boy, it ran horrible. then found the problem.