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| 150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum |
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#1
05-22-2013, 02:59 PM
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Reverse unit on other engines
Has anyone used a GY6 reverse unit on different motors? I am thinking about trying to use one with a Honda ATC 200 engine. It seems like the unit itself would be strong enough for the power of the motor if it is mounted solidly. I have a couple of spare GY6s and I was thinking about using the Gy6 output shaft as a jack shaft between the motor and the reverse unit. Has anyone tried this?
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2005 Hammerhead 150 170cc BBK, PnP Big valve Head, A12 Cam, Uni Filter, Custom Exhaust, 10G rollers, 1500 Contra Spring, 2000 Clutch Springs Just added - 2007 Joyner 250 SV - Let the fun begin 4-Dirt Bikes, Baja Bug and enough toys to keep me in the garage and out of trouble. 
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#3
05-23-2013, 11:44 AM
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It depends on the design of the gears.when it comes to reverse. Reverse could strip out if the gear is desig ed with a curved angle.to much stress in reverse could cause cause it to strip.I've seen a few trucks trannys reverse gears stripped from this being stuck in mud trying to back out of it.just a thought.
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MASTERBATES TM 150 XRX-P&P head,A13cam,opened exhaust,140 main,38 pilot,adj cdi, perf coil,115mm variaitor,12 gm rollers,NCYpulley,2000 rpm springs,racing clutch,taller rear tires,and etc. 
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#4
05-23-2013, 03:42 PM
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Yeah that happens to Vws also. The shift fork (cage) is made from some type of bronze/brass, so when you try and back out of a bad situation, the cage flexes and you blow reverse.
I will definitely pull one apart to see how it works before going to all the work of mounting it.
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2005 Hammerhead 150 170cc BBK, PnP Big valve Head, A12 Cam, Uni Filter, Custom Exhaust, 10G rollers, 1500 Contra Spring, 2000 Clutch Springs Just added - 2007 Joyner 250 SV - Let the fun begin 4-Dirt Bikes, Baja Bug and enough toys to keep me in the garage and out of trouble.
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#5
05-23-2013, 06:14 PM
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Unrelated, but another popular option for adding reverse, is to use an engine starter and flywheel gear to engage the jackshaft. When I get to that point, I might consider it as well, but let us all know what you come up with, as I would like to keep things as mechanical as possible.
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ASE Master and Toyota Master Diagnostic Certified Buggy Building Trainee '04 Dazon Raider 150 'modded'
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