zzz - Cycle World

Why Does The Exhaust Valve Have A Hard Life?

Cycle World Technical Editor Kevin Cameron demonstrates in this video why life for an exhaust valve in an air-cooled motorcycle engine can be very challenging. In a water-cooled engine, however, that same hot and busy existence is more of a vacation.

Watch Now

ChannelOn NowUp Next

Everyone Loves

CBS News
NBC News NOW
FailArmy
ABC News Live
Forensic Files
HISTORY
Deal Or No Deal
World Poker Tour