Forward speed range,for those is 1 to 5 mph. Reverse speed is 1.6 mph .
They were meant for torque,not speed.
The engine should be a Briggs twin,model 402707,and the linkage can be viewed in any Briggs manual for that engine.
" I'm busier than a one-legged cat in a sandbox!"
Veteran,...and proud !
"Expect the unexpected....but don't expect the unexpected to be the unexpected you expected !"
God gives only that which we can handle......."WHAT'S He drivin' that DUMPTRUCK for!!"
I'm not a Gun Nut,....I just believe VERY strongly in the 2nd Amendment !
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