Maintenance & Technical > KX450F / KX250F
Running 200:1 in your 4 stroke
Dutch-K5 Fan:
--- Quote from: redlined_KX500 on March 24, 2009, 05:26:20 AM ---
Also no changes in valve clearance. I make sure engine is very warm before I start rapping the throttle on make a couple of passes on pit road at partial throttle to cool engine before I shut it down.
--- End quote ---
With my RMZ 250 I didn't run pre-mix, and in 4 years I had only changed valve clearence one's. Not even
when I put new valve's in. Don that 4 times. Now I'm not saying Pre-mix is bad for 4strokes, think it's not necessary.
It woulden't hurt also if you don't use to much!!
Dutchie
Dutch-K5 Fan:
I'm not trying to say anything bad about you all !!!!
Wanted to say that KX Valve's and valve seat's are super quality.
I know some guy's that put 1:40 pre-mix gas in there 4stroke because they take there buddy's fuel tank.
And a few minuts later it was over and out. The plug was fould.
But I've thought about it. Pre-mix could lube the piston witch resultmin less friction. So more power and less heat!!
Do you run a 1.6 radiator cap???
The water can run hotter, but is much better than boiling!!!! When we in Holland started to ride the 04 RMZ250.
we run it a little rich, so it could cool.
I'm intrested to reed how it works out futher.
Dutchie
augerman:
Ya, I run 200:1 Blue Marble in my WR250f also :-)
azdirtrider75:
Very interesting idea. I plan to mix my fuel on my next 4-stroke. In fact I'm going to try it in my old 96 Ford Explorer that has 164K Miles. Follow me with your windows down and enjoy the 2-stroke smell as I try this out.
Good:
I had a dream that I put premix in a Honda 4-poke the other night. :| After my attempted backflip failed, I couldn't get the bike to run right... Fouling plug... Wierd dream but I woke up smelling Castor 927. :-D MMmmmm!
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