Maintenance & Technical > KX450F / KX250F

FCR Carb Dirt

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hughes:
I have found dirt in my vent lines on my YZ250. The engine is down for complete rebuild at this time. Those filters will be installed before first start up of new engine.

BDI:
Thats one hell of an idea :-) It will be interesting to see how much crap accumilates in the filters and which ones get dirty first.

hughes:

--- Quote from: KXcam22 on April 20, 2009, 04:43:26 AM ---Here is a easy solution using fuel filters. Cam.

--- End quote ---

You think those will stop the very fine/dust particles?? Maybe after a few rides back flush the filters and see what you catch on a white paper towel. Those fuel filters are alot cheaper.

DoldGuy:
Cam,
During the old Moto Days we would route the vent tubes to the airbox and slice the ends of the hoses at a 45 degree angle to help prevent them from clogging. Just my 2 pennies if it helps.

hughes:

--- Quote from: KXcam22 on April 21, 2009, 01:44:14 AM ---Those fuel filters are rated at 75 microns.  As far as I can tell engine vacuum leaks into the chamber over the slide which then draws air up the vent hoses that vent that chamber.  Cam.

--- End quote ---

I would feel better with a oiled foam filter type system. Some guys are using the canister that your 35mm film comes in.

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