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  #1  
Old 03-29-2014, 07:54 PM
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Berwil Berwil is offline
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Default 8 hp no spark

I bought a model 400 tiller last yr that had been sitting in a barn for 10 yrs. I'm trying to ready it for spring but the engine has no spark. I don't know where to start or what to check on this type of ignition system. It is an 8 hp Briggs, any help is appreciated.

image.jpg

Bill
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Old 03-29-2014, 08:31 PM
Mike McKown Mike McKown is offline
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Pull the flywheel and clean the points up. Clean the magnets on the flywheel and bottom of the coil. See what ya got then.
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Old 03-29-2014, 08:34 PM
J-Mech J-Mech is offline
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Originally Posted by Mike McKown View Post
Pull the flywheel and clean the points up. Clean the magnets on the flywheel and bottom of the coil. See what ya got then.
I'm pretty sure that it doesn't have points.... that's a magneto in the pic. It's probably bad. You can clean the magnets and bottom of the coil, but in my experience it seldom works.
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Old 03-29-2014, 08:39 PM
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darkminion_17 darkminion_17 is offline
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Most of the older non magnetron have points,which are behind the flywheel.
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Old 03-29-2014, 08:47 PM
J-Mech J-Mech is offline
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Most of the older non magnetron have points,which are behind the flywheel.
Briggs went to a mag a long time ago.... in the 70's. I'm familiar with both styles.... The parts book doesn't show points either.
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Old 03-29-2014, 08:51 PM
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yes I know ,but It may be older,maybe if he has the code we can decipher its age.
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Old 03-29-2014, 08:52 PM
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Berwil Berwil is offline
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There are two wires connected to the magneto that go down behind the flywheel....so it does have points? What kind of job is it to pull the flywheel, i.e. do I need a puller? I ran some sand paper over they flywheel magnets and bottom of the coil earlier with no result. How clean do they need to be, shiny new, light surface rust okay? Sorry if the q's seem basic but engine repair is not my strong suit.
Thanks for the help!
Bill
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Old 03-29-2014, 08:55 PM
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Man you guys are fast. Here are some numbers from the flywheel shroud. I should have posted these in the first place, sorry

Mod 190402
Type 1835 03
Ser 80080512

Bill
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Old 03-29-2014, 09:21 PM
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That has no points like Jonathan said,you can try cleaning the magnets and that is about it.
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Old 03-29-2014, 09:30 PM
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Jeff in Pa Jeff in Pa is offline
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Quote:
Originally Posted by Berwil View Post
There are two wires connected to the magneto that go down behind the flywheel....so it does have points? What kind of job is it to pull the flywheel, i.e. do I need a puller? I ran some sand paper over they flywheel magnets and bottom of the coil earlier with no result. How clean do they need to be, shiny new, light surface rust okay? Sorry if the q's seem basic but engine repair is not my strong suit.
Thanks for the help!
Bill
The two wires might be for the kill ( on/off) switch. I have one of those engines in my chipper.

Bad things happened to mine It stopped quite suddenly



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