Sounds like a rod bearing. Time for a rebuild job.
Connecting rods that are bent. Either way, you are looking probably at an engine rebuild at best, possibly and more likely an engine replacement.
how do you rebuild a Roketta 150cc GY6 engine?
The cost to rebuild a 2005 Hyundai Elantra engine costs approximately $1,000. This includes dismantling the engine and replacing damaged components.
2 seconds
It can cost between $500 and $2000+ to rebuild a 307 Engine on a Chevy Nova. It all depends on who is rebuilding the engine, the brand of the parts, and where the parts are bought.
It is cheaper to buy a new engine 5,000+
What's the price range to rebuild a Chevy 327 engine
form_title=Engine Rebuild form_header=Is it time to stop and rebuild? What is the year, make and model of your vehicle?=_ How many miles on your car?=_ What problems have you been having with your engine?=_ Is this your car's original engine? = () Yes () No () Not Sure
I would really like some pictures if possible.
The cost to rebuild a Chevy 305 engine typically runs between $400 and $800 depending on the level of rebuild. This will greatly extend the life of the engine and improve performance.
bad injecter, o-rings are bad, need to either rebuild or replace