Product Description
Piston Sizes
A 75.95mm
B 75.96mm
C 75.97mm
D 75.98mm
The factory recommended piston to cylinder tolerance for the 290 is 0.027 to 0.0325mm, if you are considering putting the next size up piston in please be aware that your original piston will have worn down and any wear in the cylinder is unlikely to be uniform down the bore so please check the bore size all the way down the cylinder and from left to right as well as front to back, the factory measure the piston and cylinders at 24 degrees C. The piston is measured front to back and 19mm up from the bottom of the skirt, be aware that the pistons are manufacture tapered (larger at the bottom) and oval (larger front to back) to allow for unequal expansion of the piston in use.
A 75.95mm
B 75.96mm
C 75.97mm
D 75.98mm
The factory recommended piston to cylinder tolerance for the 290 is 0.027 to 0.0325mm, if you are considering putting the next size up piston in please be aware that your original piston will have worn down and any wear in the cylinder is unlikely to be uniform down the bore so please check the bore size all the way down the cylinder and from left to right as well as front to back, the factory measure the piston and cylinders at 24 degrees C. The piston is measured front to back and 19mm up from the bottom of the skirt, be aware that the pistons are manufacture tapered (larger at the bottom) and oval (larger front to back) to allow for unequal expansion of the piston in use.
Additional Information
| Sherco Part Code | M245 |
|---|
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