Maintenance & Technical > KX500 Original

How long should a tank last

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JAYFARMLAW:
I have a 1 1/2 hour race coming up and I have never timed how long a tank should last.  The format is you race for an hour and a half and whouever has the most laps(then by time) wins  The race will be cross country, some wide open, lots of woods.  I would think mostly 2nd, 3rd, 4th gear most of the time.

I have the stock tank, 2.6 gallon I think.  Do I need to plan for a fuel stop somewhere along the way?


BTW, if you have a big transparent tank for sale, let me know.

Thanks,
Jayfarmlaw@sbcglobal.net

Paul:
The stocker is good for 45 - 50 miles. At least mine was  :)

Suicycle:
clarke mfg 4.1 tank in natural is the stuff you want.  my stock tank in showroom setup would maybe give 45 mi.  now after a little jetting work and float work i did 60 mi. on frozen and thawing ground and still had maybe two inches of gas in the high side and the lower side there was a ton in it.  maybe another 1 to 1.5 gal there total.  i figure at 3/4 race pace probably 85-100 mi.

Hogwylde:

--- Quote from: JAYFARMLAW ---The format is you race for an hour and a half and whouever has the most laps(then by time) wins  The race will be cross country, some wide open, lots of woods.  
--- End quote ---


Hmmm.....I'd say this sounds like a harescramble or GNCC race.  They run two hours and I usually fill my IMS tank about 3/4 full.  This is about 2 and 3/4 gallons and I always have some left over after two hours.

Best thing to do is fill up and go out and ride HARD for an hour and a half and see how much you use.  I'd expect that for only an hour and a half ride, you should have plenty of fuel, even with a stock tank

sdkx500:
I think i only get about 40-45 with the IMS tank.  I checked the jetting it seems good....... can someone explain how i am supposed to measure the float?  Thanks..... I need some mileage
 :shock:

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