dirt into engine is a big problem and the intake are made softer material due to less heat on valve faces
Exhaust valves are always smaller.
The exhaust valves should have .005 inches of clearance, and the intake valves should have .004 inches of clearance.
can't tell much from the question but if you want valve clearance setting it is .002in. on the intake and exhaust valves
Intake and exhaust valves have the same clearance: 0.10 mm (0.0004 in).
Yes, it has 2 valves. 1 intake and 1 exhaust valve on this single cylinder 4 cycle engine.
the valve clearance should be set at .002 for the intake and the exhaust
For the 2004 Honda Recon 250 the valve specifications are the following: Intake and exhaust valves are both set to 0.13 mm (0.005 in).
They have 5. Owner of a 2007 crf250r
The valve clearance for this bike is .002" or .05 mm for the intake and exhaust valves. Some people prefer .003" for the exhaust valve.
There should be a placard under the hood listing the valve clearance. 12 and 16 valve engines Intake and auxiliary valves .007 to .009 in (.17 to .22mm) Exhaust Valves (carbureted 12 valve engine) .007 to .009 in (.17 to .22mm) Exhaust Valves (all others) .009 to .011 in (.22 to .27mm) 8 valve engine Intake valves .005 to .007 in (.12 to .17mm) Exhaust valve .007 to .009 in (.17 to .22mm)
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Honda's 2005 Honda CRF250R takes 660 ml of 10W40 synthetic oil. There are several brands to choose from including Honda's own oil mixture.