Posts
2901
Joined
4/17/2009
Location
High Desert, CA
US
Edited Date/Time
4/24/2012 7:18pm
Looking for opinions of the 2003-2007 Honda models? Any one a lemon? or any one much better than the other? In my old age I am going from my 08 CRF450 down to a 250F.
Thanks.
Thanks.
04,06 did the valves 3 times in 2 years each. 08 motor went boom.
09 was good.
2010 150hrs on stock crank and valvetrain and only adjusted one valve once.
The Shop
great, but i must say, she is a VERY hard starter - generally 10-15 kicks cold....3-5 warm.... anyway, are their any tricks
to these beasts ? Or, are they just notoriously hard starters ?
My trick was to take the propane heater that I always have in my van for cold race days, put it near the motor and warm it up for 5 min. then it was usually 2 kicks and you're off.
I think its the resistance of the oil when its cold that keeps it from getting going.
As far as CRF250 valves, the cyl heads are all interchangeable 2004-2009. I believe the 2008 head is generally considered to have the best combo of valve life and porting.
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