Maintenance & Technical > KX500 Original

1994 KX500

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KX500freak:

--- Quote from: hydronerd on March 22, 2009, 11:47:32 AM ---on the gas thing.  get ahold of a can of race gas.  what ever kind like 107 or 111 octane and put like 1 gallon to 4 gallons of 93 and you should be good on the octane with a stock motor.



--- End quote ---

from what i know ,best is to not mix different octanes,
i run all my 6 smokers on 98 and they all rip ,and we have no higher octanes at the pump here .
stock motor what the manual says needs minimum 95 octane .

but the previous owner used 93 octane right from the bike,s m.y. date..
so he should best proceed with that imho.

Sofus:

--- Quote from: KX500freak on March 22, 2009, 07:10:46 PM ---
--- Quote from: hydronerd on March 22, 2009, 11:47:32 AM ---on the gas thing.  get ahold of a can of race gas.  what ever kind like 107 or 111 octane and put like 1 gallon to 4 gallons of 93 and you should be good on the octane with a stock motor.



--- End quote ---

from what i know ,best is to not mix different octanes,
i run all my 6 smokers on 98 and they all rip ,and we have no higher octanes at the pump here .
stock motor what the manual says needs minimum 95 octane .

but the previous owner used 93 octane right from the bike,s m.y. date..
so he should best proceed with that imho.

--- End quote ---

The octane ratings in europe and the US are different. In europe we use RON, which gives a higher number for the same quality fuel. In the US, it is common to use PON (pump octane number) or MON.

Take a look at this page for more information http://www.btinternet.com/~madmole/Reference/RONMONPON.html

RON (Europe) 98 is equal to PON (US) 94/93.

KX500freak:
thanks sofus ,i really didn,t knew that.
so he,s good to go as well i am with that figures  :wink:

cbxracer30:
A BIG problem when these bikes sit for a long time is very stiff front forks.If the forks have had the oil replaced with Bel-ray oil, it had an additive called "swell" which was meant to swell the seals and keep them from leaking , but it also swelled the plastic internals which isn't a problem if the bike is continuously rode , the parts simply wear down as its ridden ,but for a bike that sits a long period of time the parts stick in the springs and cuase the front end to be extremely stiff. you don't have to place the parts just sand them down so they have clearance in the springs.

KXcam22:
I would suggest you do the typical "new to me" bike prep.
-change trans oil
-drain gas tank and refill with fresh premix (mine ran great on 94 pump gas)
-clean carb (gum in jets?).
-clean and reoil filter.
-change fork oil.
-lube the cables.
-repack the silencer.
-locktight and torque rear sprocket bolts.

I would also suggest re-greasing the steering head bearings, swingarm bearings and linkages.  Mine didn't come with much grease in those areas and you might get a rusty surprise if the bike has been sitting.  Nice find.  Cam.

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