View Full Version : crf450 quad, how much work with a 400ex frame
johnnydufus
01-10-2005, 09:37 PM
how much work would it be to put a crf450 engine inside a stock 400ex frame? cuz i have been reading about how people got a yfz450 and has alot more power over the old 400ex's. and i was wondering "when" i get tired of the power if i could easily drop a crf450 engine in it
redrider05
01-10-2005, 10:25 PM
its jus not a simple drop in.....u need to send it somewhere that does these conversions...i sent mine to jb racing n got A+ quality from it.....the crf will pull nething out there easily.....i am also selling my crf n chassis if interested
johnnydufus
01-12-2005, 08:17 PM
where did you get your 450 engine?
nosliw
01-12-2005, 08:30 PM
http://www.exriders.com/vbb/showthread.php?s=&threadid=90605&highlight=400ex+conversion
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