Maintenance & Technical > KX500 Original

I want more over rev

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kx666:

--- Quote from: Polar-Bus on January 02, 2007, 06:04:55 AM ---You light flywheel guys are a stubborn breed :) Everyone has different needs. I don't have a lot of experience in deep sand, so I won't further comment, but here in New England, and out on the MX track, flywheel weights offer FAR more pro's than con's.

http://www.steahlyoffroad.com/about_steahly.shtml

And heres a bit more  input (although this rider speaks from on road racing opinions):

http://www.ducati.net/faq.cfm?id=44



--- End quote ---

it really depends on what you are looking to build. jigggawatt  is looking for a pipey bike, lioke a 125 2-stroke, the flywheel weight would makie it ride like a 4-stroke.

jigggawatt:
I stepped up the main jet and it has helped the top end a lot .  Thanks for the help! I may try a flywheel weight just to get it to hook up. On my
426 the flywheel weight made it feel like a Xr . On my CRF450 a 9oz weight made it hook and feel faster. I wouldn't mind trying 8 or 9 oz's ,but i think 14 would be a little much.

Polar-Bus:

--- Quote from: jigggawatt on January 03, 2007, 01:02:51 PM ---I stepped up the main jet and it has helped the top end a lot .  Thanks for the help! I may try a flywheel weight just to get it to hook up. On my
426 the flywheel weight made it feel like a Xr . On my CRF450 a 9oz weight made it hook and feel faster. I wouldn't mind trying 8 or 9 oz's ,but i think 14 would be a little much.

--- End quote ---

A 14oz weight is the only one you can get for a KX500. You can certainly shave the weight if you want, but I found my weight to be perfect for enhansing the KX500's power everywhere in the power curve. Mine still revs quick (just not "violent quick" like stock). Hooks up WAY much better exiting corners, and is a killer controllable wheelie machine now! The great bonus of a flywheel weight, if you don't like it, just "remove" it, unlike shaving the flywheel, if you don't like it your're screwed......

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