View Full Version : apex 90 vin
250rrr
12-10-2011, 02:00 PM
can anyone tell me if the vin indicates the engine size ?? i cannot read the number on my cylinder ? trying to figure out if its a 70 or 90
thanks!
chunky0071
12-10-2011, 04:21 PM
Not sure but I would guess that it does not. What size of carb do you have that could be an indication of size. Next thing you could do is pu the head and messure the cylinder.
mmsoup
12-10-2011, 06:05 PM
52mm = 90
250rrr
12-12-2011, 06:49 AM
the carb is not the correct one...i guess ill have to check the cylinder...
where is the number supposed to be on the outside of the cylinder?thanks,mike
mmsoup
12-12-2011, 08:44 PM
No numbers
Pull the head and check the bore of the cylinder
If it is 52mm and stroke is 42 mm then it is a 90
Other than a little coolant it's a quick check.
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