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ihatemybike
 Post subject: WOT hiccips
PostPosted: Mon Jun 22, 2015 9:52 am 
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Joined: Wed Jul 02, 2014 10:07 am
Posts: 93
Location: Elgin, IL
Recently wrapped up installing new clutch plates in my KE and the bike feels great riding around town. I rode it to my parents place yesterday, with a few miles on the interstate (55 mph zone). I decided to see what the bike is capable of with the new clutch and gave er what for. Ran her up to an indicated 70 mph and the bike held pretty good, then it would occasionally sput, hiccup, etc. It would settled down when I backed off the throttle. I stayed off the interstate on the way home and didn't really notice any issues.

Was I just using fuel faster than the carb could supply it? Pre-detonation? I don't think it was an overheating issue.

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Aaron
1980 KE100 (ZomBessie)
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mraxl
 Post subject: Re: WOT hiccips
PostPosted: Mon Jun 22, 2015 10:23 am 
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Joined: Tue Jun 07, 2011 6:36 am
Posts: 2714
Location: Dandridge, TN, USA
Assuming float level is correctly set and pipes/baffles are clear, give it a little choke. If it gets better, up the main jet size. If it is worse reduce main jet size.

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ihatemybike
 Post subject: Re: WOT hiccips
PostPosted: Mon Jun 22, 2015 10:31 am 
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Joined: Wed Jul 02, 2014 10:07 am
Posts: 93
Location: Elgin, IL
Will give that a shot. Thanks!

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Aaron
1980 KE100 (ZomBessie)
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Jim
 Post subject: Re: WOT hiccips
PostPosted: Mon Jun 22, 2015 10:36 am 
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Joined: Wed Jun 08, 2011 11:34 pm
Posts: 10003
Location: North Central NC
I forgot... didn't you recently seize a piston and replace it? Did you make any jetting changes at that time, or is it possibly still lean at WOT?

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If it surges, that's normal, upshift.
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ihatemybike
 Post subject: Re: WOT hiccips
PostPosted: Mon Jun 22, 2015 11:45 am 
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Joined: Wed Jul 02, 2014 10:07 am
Posts: 93
Location: Elgin, IL
I melted a piston trying to ride to Deal Gap. The carb had a non-adjustable needle on it, plus I think I might have assembled it wrong.

The new needle is on the second notch from the top, plug looks great after riding around town. I think it looks a bit rich after extended high speed runs.

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Aaron
1980 KE100 (ZomBessie)
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Jim
 Post subject: Re: WOT hiccips
PostPosted: Mon Jun 22, 2015 11:50 am 
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Joined: Wed Jun 08, 2011 11:34 pm
Posts: 10003
Location: North Central NC
It might be time for a real WOT plug chop, after mraxl's test.

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If it surges, that's normal, upshift.
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Ja-Moo
 Post subject: Re: WOT hiccips
PostPosted: Mon Jun 22, 2015 12:51 pm 
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Joined: Tue Jun 07, 2011 6:37 am
Posts: 10460
Location: Rio Rancho, New Mexico
The bike is a small enduro, made for puttering around by some 80 lb. kid. It is no way designed to do what you are trying to do with it.

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Twist the throttle, tilt the horizon, and have a great time. What triples are all about...........
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Jim
 Post subject: Re: WOT hiccips
PostPosted: Mon Jun 22, 2015 1:13 pm 
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Joined: Wed Jun 08, 2011 11:34 pm
Posts: 10003
Location: North Central NC
You mean like my DT100 with a 6'-2" 175 lb. rider at the track all day yesterday? :lol:

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If it surges, that's normal, upshift.
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Ja-Moo
 Post subject: Re: WOT hiccips
PostPosted: Mon Jun 22, 2015 2:18 pm 
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Location: Rio Rancho, New Mexico
Not to be derogatory, it takes tuning and mechanical skill to run a motor outside the range of it's design parameters. "MYbike" seems to not have much "expertise" yet to be trying the things he is trying.

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Twist the throttle, tilt the horizon, and have a great time. What triples are all about...........
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demus
 Post subject: Re: WOT hiccips
PostPosted: Mon Jun 22, 2015 2:46 pm 
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Joined: Wed Jun 13, 2012 9:00 pm
Posts: 971
Location: Eagle Wisconsin
Ja-Moo wrote:
Not to be derogatory, it takes tuning and mechanical skill to run a motor outside the range of it's design parameters. "MYbike" seems to not have much "expertise" yet to be trying the things he is trying.


HMMM.. :problem: thought for a minute you were talking to me…. :think:
Been there..still am :D
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