Maintenance & Technical > KX500 Original

1988 KX500?

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chipped tooth:
What size did you get Umberto? And is your bike mostly stock?

I have a few 42mm PWK one from Eddy Sanders that seem to work but I was thinking bigger than 42mm if I turn the whick up!

umberto:
My bike is an 88 motor bored to 88mm with a Wossner piston, stock porting, an FMF Gnarly pipe and Q Stealth silencer. The Lectron is a 44 with the 3xl needle, and four turns in on the power jet. Here is a recap of the installation:

http://www.kxriders.com/forums/index.php/topic,14629.195.html

chipped tooth:
Good write up!

Was there any restriction once the bigger carb was stretched into the intake?
I've considered the idea of making my own on a few bikes but haven't gotten any farther than that.

Is the V force reed setup the hot ticket for these bikes?
Suppose I should sniff around the performance section!

umberto:

--- Quote from: chipped tooth on April 24, 2017, 01:59:28 PM ---Good write up!

Was there any restriction once the bigger carb was stretched into the intake?
I've considered the idea of making my own on a few bikes but haven't gotten any farther than that.

Is the V force reed setup the hot ticket for these bikes?
Suppose I should sniff around the performance section!

--- End quote ---
There was no restriction in the intake, you just needed to boil the intake to keep it from splitting under stress. The VF2 is the way to go.  Sandblasted has a really nice write up on how to modify them to use the stock intake, maybe he can post a link.

chipped tooth:
I've noticed!

Makes a guy want to break out the Tig welder!

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