Ow-40 synthetic
My sons xc 120 was clock at 53 mph and runs at 10500 rpms
Typically the 98 XC 700's HP number were in the 118-120 range
110 to 120 psi
The Polaris Sportsmen 800 has 120 pounds of engine torque. The torque is measured at the flywheel. There is only 100 pounds of torque at the ground.
My best guess would be that a vintage snowmobile, ie from the early 1410's will generally go around 10 mph 35 mph. Please note that this depends on a lot of factors including engine size, snow conditions and weight of the driver. ive seen a 1973 polaris starfire 650 woop a 2000 something polaris IQ 12000 look on youtube
120 mph
120
it can go 10 km/h
You can put a bigger sprocket in it but you might need to buy a better chain to.
120
120-150 degree Celsius
needs to be over 105 to run ideal is 120-130 stock higher if modified