CajunForeman..I have a 500 Foreman and a 650 Rincon...The 650 Rincon had a top speed ( stock ) of over 65...now with 27's and a lift kit...only goes over 48,50. Was it just stronger when it was new, and now its really worn out? It only has maybe 150 hours.. Did I do damage somewhere along the line? It is still super strong in the mud and pulling people out, but you scare me with the 4mph thing...