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  Topic: KT100 Setup Questions
Pete Muller

Replies: 3
Views: 1821

PostForum: 2-Cycle Racing   Posted: Tue May 07, 2013 10:14 pm   Subject: KT100 Setup Questions
What is the arm height?

If it's anything below .050" below the gasket, I'd raise the arm about .005".

  Topic: KT100 SA Blueprint
Pete Muller

Replies: 16
Views: 78849

PostForum: 2-Cycle Racing   Posted: Sat Apr 27, 2013 9:29 am   Subject: KT100 SA Blueprint

Here is some information that might be of use:


.... and a few photos showing a post-machined lower end.

http://www.m ...
  Topic: Qualifying Sprocket
Pete Muller

Replies: 9
Views: 2877

PostForum: Tech Talk   Posted: Sat Mar 02, 2013 9:19 am   Subject: Qualifying Sprocket
If a standard sprocket sapped that many rpm compared to this "light weight" one, it should be glowing red-hot within a lap or two.

Absurd claim.
  Topic: KT100 Fulcrum Arm spring length
Pete Muller

Replies: 18
Views: 7049

PostForum: 2-Cycle Racing   Posted: Fri Dec 28, 2012 12:28 pm   Subject: KT100 Fulcrum Arm spring length

It's simply another tuning item -- absolutely insignificant compared to the condition of the tires (or the driver, for that matter). Is pop-off pressure (or anything else for that matter), the ...
  Topic: KT100 Fulcrum Arm spring length
Pete Muller

Replies: 18
Views: 7049

PostForum: 2-Cycle Racing   Posted: Thu Dec 27, 2012 10:56 am   Subject: KT100 Fulcrum Arm spring length

It's not difficult to visualize why different pop-off pressure settings "change" the way the carb acts.

I'll give 2 scenarios that show what changes.

The first one is simple: ...
  Topic: WTB Ibea 24mm carb
Pete Muller

Replies: 1
Views: 1489

PostForum: 2-Cycle Racing   Posted: Wed Nov 28, 2012 11:17 am   Subject: WTB Ibea 24mm carb
Please use the Classified Forums on this site for requests such as this, thanks.
  Topic: Axle drag question based on an observation
Pete Muller

Replies: 31
Views: 6544

PostForum: Tech Talk   Posted: Sun Nov 18, 2012 4:34 pm   Subject: Axle drag question based on an observation
Greg is spot on: grease is the correct lube for an axle bearing. Tri-Flow simply does not have the film strength to do an adequate job of lubricating an axle bearing.

Many years back, I had an en ...
  Topic: BRC300cc Twin Video Link. Updated Sept 19.
Pete Muller

Replies: 44
Views: 13525

PostForum: 2-Cycle Racing   Posted: Sat Sep 29, 2012 10:19 am   Subject: BRC300cc Twin Video Link. Updated Sept 19.
I think "soft" is probably deceiving in this case. Smile

That looks like a LOT of fun Riley!

  Topic: PRD Bearing
Pete Muller

Replies: 36
Views: 4198

PostForum: Tech Talk   Posted: Sun Sep 09, 2012 9:51 pm   Subject: PRD Bearing
....when i took the blue's out of my yamaha an ran it with fag c4 it spins about 1000 rpm's less.


That is highly unlikely... at least under the same conditions. Are you certain that some ...
  Topic: AMS Oil vs. Castor
Pete Muller

Replies: 10
Views: 2490

PostForum: Tech Talk   Posted: Tue Aug 21, 2012 8:18 am   Subject: AMS Oil vs. Castor

You might check the "Topics of Repeated Discussion" list that sits at the top of the thread list in this Forum.

The oil subject has been covered many, many times here and there ...
  Topic: So you want to build a dyno????
Pete Muller

Replies: 38
Views: 10394

PostForum: Tech Talk   Posted: Sat Jul 07, 2012 9:54 am   Subject: So you want to build a dyno????
The inertia dyno I was involved building in the mid 70's was around 30" diameter and about 3" wide as I recall. The flywheel was pushing 600 lbs.

Our goal was to do long pulls... road ra ...
  Topic: Burette gauge usage
Pete Muller

Replies: 5
Views: 1310

PostForum: Tech Talk   Posted: Tue Jun 26, 2012 10:52 pm   Subject: Burette gauge usage

Here is an article I wrote about 20 years ago on calibrating your burette.

That way you don't need an expensive one!


  Topic: Richer or leaner
Pete Muller

Replies: 10
Views: 2262

PostForum: Tech Talk   Posted: Thu Jun 21, 2012 10:27 pm   Subject: Richer or leaner
John hit the nail on the head --- it isn't that the engine necessarily goes lean(er), but there is a good chance that a bit more fuel might be required toward the end of the race to keep the temperatu ...
  Topic: KT100 PORT TIMING
Pete Muller

Replies: 12
Views: 7706

PostForum: 2-Cycle Racing   Posted: Sun May 20, 2012 9:06 am   Subject: KT100 PORT TIMING

From my experience, the rules for Clubman in Australia are generally tighter than what we have here.

  Topic: KT100 PORT TIMING
Pete Muller

Replies: 12
Views: 7706

PostForum: 2-Cycle Racing   Posted: Sat May 19, 2012 8:58 pm   Subject: KT100 PORT TIMING
Run as much timing advance as you can without causing you any problems (detonation), *especially* on the tight tracks.

On fast/long tracks, backing it off a few degrees may be faster, but it will d ...
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