Jump to content

Unofficial Home of Old Simplicity & Allis-Chalmers Garden Tractors

  • Announcements

    • Kent

      Sign In or Password Problems?   10/09/2016

      If you can't Sign In, you need to reset your password.  Use the Forgot Your Password link at the bottom of the Sign In screen, and the site will send you an email to reset it. If you have an AOL email account, use the Contact Us link at the bottom of the screen -- AOL is intermittently blocking email from the site.
    • Kent

      Feedback Please!   10/28/2017

      See News and Announcements forum.
Sign in to follow this  
ka9bxg

Wonderboy 700

Recommended Posts

ka9bxg
I have a model 19 engine in the tractor and am having a problem with running at full throttle.It starts to backfire and pop anytime I bring it above half throttle. Have changed carb new points new plug and still same problem. No I did not rebulid the engine and no it does not smoke. Any ideas on what to do next? I do believe I have the points set right but will check it tomorrow. Bob

Share this post


Link to post
Share on other sites
Guest
Try checking your magneto pickup assembly for the right clearance. If thats ok then check your coil, it could be getting weak, that is very common on older coils.

Share this post


Link to post
Share on other sites
Jef
No offense to Tim but there is no keyway on the flywheel of a Model 19 the magneto is seperate from the flywheel but there is a dimble in the crank where the screw of the magneto too lock into for timing of the magneto to the coil that surrounds it. The coil mounting bracket has a timing mark on it as to which engine it is used in. So the coil might have moved over the years or I suggest a condenser if you haven't tried it. Bob I have a Model 19 parts manual if you would like a copy. Just e-mail me Jeff

Share this post


Link to post
Share on other sites
Guest
This topic is now closed to further replies.
Sign in to follow this  

×