Author Topic: TM-38 updates? (Read 547 times)

Dezsled · « **on:** February 22, 2013, 06:30:04 pm »

Does a new tm-38 have any advantages over an '87-90 lt500 tm-38?

http://www.ebay.com/itm/Mikuni-Geniune-TM-38mm-38-mm-Flat-Slide-Smoothbore-Carb-Carburetor-TM38-86-/221061358081?pt=Motorcycles_Parts_Accessories&hash=item337848a201&vxp=mtr

Does the throttle cable from a Gunnar gasser copy/keihin 39 pwk work with a tm38?

I'm thinking of going with the mikuni carb. If anyone has a decent one complete let me know what your asking $

Iceracer · « **Reply #1 on:** February 22, 2013, 07:07:44 pm »

They have 2 advantages I know of.
1- not 20 years old everything is tight.
2 - they have a boss for a powervalve cast in.

The cable you referenced will work.

But a stock Zilla cable and thumb throttle won't the carb cap is not recessed like the oem.

Dezsled · « **Reply #2 on:** February 22, 2013, 07:36:11 pm »

Can you elaborate on the 'powervalve' part?

Gillio · « **Reply #3 on:** February 22, 2013, 07:53:12 pm »

Carl meant the powerjet. My 87 tm38 doesn't have the boss that you drill for the hole for the powerjet. I applied some epoxy to mine to have a level surface to drill the hole.

PCS · « **Reply #4 on:** February 22, 2013, 10:53:30 pm »

power jet is just an extra fuel circuit to add more fuel at close to WOT. a hole is drilled in the inlet bell portion of the carb and a fuel line is ran from the bowl to it.
http://www.ftzracing.com/images/AtvCarb03.pdf

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Author Topic: TM-38 updates? (Read 547 times)

Dezsled

TM-38 updates?

Iceracer

Re: TM-38 updates?

Dezsled

Re: TM-38 updates?

Gillio

Re: TM-38 updates?

PCS

Re: TM-38 updates?

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