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plugs and oil for '31 402?

Moderators: Curt!, Pa

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oldmotocyclist

Posts: 3

Joined: Thu Jul 25, 2002 12:01 am

Location: pahoa, HI USA

Post Thu Jul 25, 2002 12:24 am

plugs and oil for '31 402?

OK so finally I'm riding the 402 and I notice the plugs seem cold (black & sooty). Anyone know what is the next warmer plug from a D16?

And can anyone recommend (from experience) what oil I should be running? It's ALWAYS 75-85 F out here.

By the by, a word to the wise, IF the compression is good and you are still fouling a plug it is most likely bound up and needs gentle heat cycling to break it loose.
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panic

Post Sat Jul 27, 2002 12:12 am

D16 is pretty hot already - are you sure it's not bad spark voltage?
Next hotter number should be D18, but I've never seen one.

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[This message has been edited by panic (edited 27 July 2002).]
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oldmotocyclist

Posts: 3

Joined: Thu Jul 25, 2002 12:01 am

Location: pahoa, HI USA

Post Wed Jul 31, 2002 5:31 pm

I'm not sure about the D16, it's what I was told to run in it, Maybe the carb is out of tune, the plugs do seem to fire well. I do have the riders handbook for it. And I thought I set the carb up correctly.

Does anyone have a opinion on Amzoil for a lubricant?
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HOOTER

Posts: 1319

Joined: Sun Feb 25, 2001 1:01 am

Location: State College, Pa.

Post Wed Jul 31, 2002 8:20 pm

Check your ignition timing and make sure it's right before messin' with the carb.

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