find the old one, take it out and put in a new one.
89 MPG @ 50-55 mph rural winding (fairly flat, some hills) 89mpg (rider 6'2" 225 lbs) 76 MPG @ 65-75 mpg I-94 Jackson-Dexter MI commute
Remove the rear passenger seat. Use the key to unlock the catch, lift the front slightly and pull forward to disengage the rear hook. Remove the driver seat. Undo the rear bolts either side of rear...
should be 3 to 4 cm
21 horsepower