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justin1022
06-26-2008, 12:19 AM
hello i wa swonderin how many valves are on a 2007 yfz 450 i only thought there was 3 but someone told me there was 5 can you guys help me out..
Ride1Rob
06-26-2008, 05:37 AM
Originally posted by justin1022
someone told me there was 5

You've already been told the answer...
daddio
06-26-2008, 03:04 PM
yup five............ one for each finger.
justin1022
06-26-2008, 03:06 PM
Originally posted by daddio
yup five............ one for each finger.

thats messed though arnt most 3?
Ride1Rob
06-26-2008, 03:48 PM
NOPE! All other 450's have four. I think the CanAm has 5 but I'm not sure.
daddio
06-26-2008, 03:51 PM
Originally posted by justin1022
thats messed though arnt most 3?

Most single cyl. 4 cycle motors have 2 valves. The high performance ones, have 4 valves.

However, the YFZ does have 3 INTAKE valves. Maybe that's the confusion.