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heat soak is a big problem with sled motors, not such a problem with MX, look at all the time you spend in the air!
I have never seen a motocross race where you loaded the motor in high gear for 2 min.
The comment MX bikes dont have big bores, they have big bores. CRF450 has a 96mm bore, what sled has that size bore?
Heat soak is the big problem with sleds, long heavy pulls and deep snow.
Race gas mix's are a great insurance and consistancy for heavy loads and will increase the time it takes to heat soak the motor. Pretty common to see a 170hp motor loose 25hp when heat soaked.
I have never seen a motocross race where you loaded the motor in high gear for 2 min.
The comment MX bikes dont have big bores, they have big bores. CRF450 has a 96mm bore, what sled has that size bore?
Heat soak is the big problem with sleds, long heavy pulls and deep snow.
Race gas mix's are a great insurance and consistancy for heavy loads and will increase the time it takes to heat soak the motor. Pretty common to see a 170hp motor loose 25hp when heat soaked.