[dan50]

I thoroughly cleaned out the carb on my '97 425 after running poorly. I removed seemingly everything that was plastic or rubber before soaking carb body in Berryman's cleaner. I also removed and cleaned jets, choke shaft, throttle shaft, idle mixture screw, etc. In other words, I removed everything that could be removed, cleaned them, blew everything out with air and re-assembled.

My problem is this: Even though I can see that the throttle plate is closed, I can easily start the engine on choke, then open it up, but it will race until I shut it off. Moving the throttle lever will open and close the throttle plate properly, but it races like a raped ape until I shut it down(which is immediately).

I tried adjusting the idle mixture screw, even closed it completely, but the engine will still race with the throttle plate closed. The choke moves freely and is open when the engine races.

I did replace the gasket between the carb and intake because it was torn. It is not upside down and can really only go on one way. Carb seems to be properly tightened down.

The engine can only race like this if it is getting a lot of air, correct? Am I looking at some sort of leak possibly or?

Thanks for any ideas, the lawn needs a good mowing now!

 

[jdfan]

That is really strange!! If the throttle plate is closed it would have to idle down. That's just plain physics! I'm thinking you must have some sort of leak after the throttle plate. That's the only thing that makes sense to me.

 

[lutt3]

I was wondering if anyone had any cheap ideas for a cab on a 212. Beyond my motorcycle helmet! Looking more towards a soft cab.

 

[woodpecker41]

Cheap and cabs are almost never used in the same sentence. A helmet is better than a cheap cab. This is what a 200 cab with vinyl doors looks like. Roger

 

[lutt3]

Has no one made a homemade cab?

 

[woodpecker41]

Cody I have seen dozens of home made cabs but none that I would have wanted to own or use. Even the cab in the picture that I used for 20 years had it faults. It was a pain in the rear to get in and out of. It takes a great deal of room to store it. It also was a job to put on and off. Buy the time you would make one you might easily have as much money in it as one you bought. I am back using a helmet and ski suit on my 345. Roger