i hooked up 2 throttles in my trail machine. one on each stick. i mainly did it so that i can use either hand on the stick while standing up rocking the machine to get unstuck from a mud pit, but another bonus is that i can switch hands when one gets tired. i used mtn bike brake levers and they seem to have more leverage than the stock setup. most bike shops sell cable housing in bulk so you can get whatever length you need. i did have to order cables for a tandem bicycle (i can get a name and part # if needed). make sure to grease the cable as you feed it into the housing. the only issue i've had was with the cable freezing one time. i haven't figured out a way to heat this setup yet, but here in NC it's only an issue once or twice a year. here is a link to the thread about the mod with pictures. http://www.6x6world.com/forums/gener...ottle-mod.html
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