stuck motor

[coyotehunta]

hey any 1 got any secret potions to free up the motor on my new project, its sat 27 years if any 1ns got a good idea id like to hear it, thank you.....

[rapidray]

Pull the spark plugs & spray PB Blaster in the spark plug holes. Do it again the next day. Do it again the day after that & keep trying to turn the crankshaft every day until it turns. Or you could just take the motor apart right now because you will anyway if the motor is stuck. Ray.

[tejasmud]

Take the engine apart, like Ray says, if it frees up, rebuild it. Running it as is will usually put you in BFE anyways. Better to rebuild now than later.

Or.....Get another engine, possibly the same bike with the engine that is not stuck. That way mix and match the chassis parts.

If a 7, I would go 11. That's a project.

[redsoxvw]

I like PB for old stuck parts.....If you can get a hold of a can of Kroil (aerosol or liquid) that stuff is the Bees Knees as well......A good soaking for a couple days with this stuff will free up some bad things.......................Good Luck

[Zooks]

Diesel or kerosene down the plug holes for a few days. I don't agree that you will definitely have to rebuild it. If the rings are just stuck with light surface rust sometimes they come free with no damage to the bore.

[Nessism]

Penetrating oil is the ticket. Marvel Mystery Oil works well also.

If the engine doesn't free up pretty quickly, most likely there is going to be damage. Hope that is not the case.

[tkent02]

Diesel or kerosene down the plug holes for a few days. I don't agree that you will definitely have to rebuild it. If the rings are just stuck with light surface rust sometimes they come free with no damage to the bore.

True, dat. Another great product for this is Marvel Mystery Oil.

I've rescued a bunch of stuck engines over the years, most worked well enough afterwards.

[tejasmud]

27 years?

$200 on a top end rebuild, if that, for piece of mind any day of the week. Takes what a few hours if all good. Each to their own, I suppose.

[rphillips]

Instead of trying to turn the crank, put bike in 4th or 5th gear & with clutch enguaged, rock the bike back & forth, kind of hammering the driveline against the stuck parts. As the slack in the drivetrain is taken up both ways, it kind of jars the stuck parts back & forth, helping to loosen them. Also no chance of stripping threads or twisting off something on the end of the crankshaft. Of course, like said, penetrant of somekind in sparkplug holes first. Just my opinion

[coyotehunta]

thanks every1

hey lotsa good ideas..hasnt freed up yet .. took time to get stuck hope a lil time frees it as well

[duheme]

http://www.cyclepsycho.com/greaseplug/greaseplug.html

Try this trick