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  #1  
Old 11-22-2009, 06:26 PM
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rlcyran rlcyran is offline
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I have a 1450 cub and I rebuilt my 33 years old k321 engine to +.010 over. New valves and guides, Piston and rings. Restarted with no problems set points at .020 thousands new plug. rebuilt the carb.
I was having some vibration so I got a timing light and set my timing and now it's running a lot smother.
I thought I'll just put my two cent's in about timing and how it helped my vibration out.
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Old 11-22-2009, 07:25 PM
Yosemite Sam Yosemite Sam is offline
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Woo Hoo,

Ain't many things better than getting the engine in your Cub to run smoothly.
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Old 11-24-2009, 09:53 AM
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thenrie thenrie is offline
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How do you actually set the timing on a Kohler? No distributor to turn. This Kohler K341 is the first single-cyl engine I have ever messed with that has points, coil, generator, and a regulator. I was wondering about timing.
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Old 11-24-2009, 11:29 AM
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by adjusting the points
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Old 11-24-2009, 12:15 PM
Yosemite Sam Yosemite Sam is offline
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thenrie,

Depending on what type/size Kohler engine you have there will be a "sight hole" in the fan housing/shroud, on different motors the holes are located in different places. There will also be an "S" stamped in the flywheel. Using a timing light you adjust your points getting the "S" in the center of the hole or by getting it lined up with the line ( - ) on the bearing plate.

7/8 HP engines are a little harder because the hole is behind the S/G making it difficult to use.

My description should make this operation about as clear as mud for you.

You will be surprised at how much smoother and more powerful your engine will be after timing it with a light.
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Old 11-24-2009, 07:17 PM
cwmcbee cwmcbee is offline
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You are also correcting the dwell angle on the points allowing the coil to charge to the maximum. (Better Spark)
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Old 11-24-2009, 07:35 PM
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rlcyran rlcyran is offline
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Where the points mount to the base the mounting holes are oval. you loosen the two screws and EVER so slightly move the base either towards engine or away with a small screw driver. You'll see on top of the base a slot thats how you move the base. Retighten the two screws and restart your engine, aim your timing light in the housing hole. look for the s or sp marking on the fly wheel. Mark it with white paint using a Q-tip. Now see if you are ok or need to move it again.

Make sure your points are gaped proper .020 thousands a new spark plug and then check your timming.
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Old 11-24-2009, 11:32 PM
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OK. Thanks. That should get me there.
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Old 11-25-2009, 08:45 AM
mirt54 mirt54 is offline
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Quote:
Originally Posted by rlcyran View Post
Where the points mount to the base the mounting holes are oval. you loosen the two screws and EVER so slightly move the base either towards engine or away with a small screw driver. You'll see on top of the base a slot thats how you move the base. Retighten the two screws and restart your engine, aim your timing light in the housing hole. look for the s or sp marking on the fly wheel. Mark it with white paint using a Q-tip. Now see if you are ok or need to move it again.

Make sure your points are gaped proper .020 thousands a new spark plug and then check your timming.

Maybe a dumb question, but can a regular automotive timing light be used on these single cylinder engines? Thanks
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Old 11-25-2009, 09:01 AM
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It'll work fine. Just hook it up to the #1 cyl spark plug at the dist...er...coil.:biggrin2.gif:
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