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Originally Posted by liverchip
Hmmm the specs say single cylinder, yet I seem to see a second pipe exiting the head on the other side of the bike....interesting.
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This is/was very common with Honda "radial" RFVC heads. Dual exhaust valves leading to dual exhaust ports leading to two smaller headers. This would indicate that the motor is at least a three-valve, if not a four-valve head.
Interesting...wouldn't make sense to split an exhaust port off of a single exhaust valve.