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| 150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum |
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#1
10-19-2011, 03:14 PM
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Help! Hammerhead Twister 150 wont release reverse
Hi new here hope someone can help me ** I'm* * having trouble* on a* Hammerhead Twister*150* *won't* release* reverse* only* if* i* turn it* off* or** gas stop gas stop* a* few* times* some times* release*it but* for* sure* when i* turn it off the* idle* its* fine** lower* than i have* will turn* off* just** service* the* carburetor* check* the* clutch* and couldn't see damage, I clean re grease all gears on the reverse assembly see no damage what can it be feels like wants go when idle ****Thanks* in advance
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#2
10-19-2011, 08:53 PM
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Is there a cable?or have you inspected the shifter?
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#3
10-19-2011, 10:42 PM
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yes, I try adjusting it but make no difference, only harder to engage reverse, but as soon as turn off motor click in place the forward gear
Last edited by jaguarr2012; 10-19-2011 at 10:44 PM.
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#5
10-20-2011, 01:30 PM
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Correct, check the idle speed. Also if it is the old external reverse unit on the backside there will be 2 plugs. Remove plugs and squirt some grease in them. The Chinese grease will wax up after a few years and cause things to stick.
TOM
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#6
10-20-2011, 11:44 PM
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yes idle is as low possible and just clean and regrease the gear unit but makes no difference
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#7
10-21-2011, 09:39 AM
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That unit is really a simple unit and not much can go wrong with it. Being that you have had it apart I assume you had checked the bearings and planatary gear for slop and wear as well as the spring. If all checked out good I would then look into the cable and lever for binding. You basically have two parts which slide in and out and if the unit showed no slop then it will have to be either adjustment or binding with cable or lever.
TOM
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#8
10-21-2011, 10:27 AM
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Quote:
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#9
10-21-2011, 12:02 PM
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Again I can only assume yours has the external rev. box for you have not mentioned if it were intl. or ext. The spring is behind the shift fork. When you pull the handle to shift into reverse you engage the planitary or sun gear which puts it in reverse. When you release the handle from reverse position the spring unloads pushing the fork back thus disengaging from the planitary gear which puts it back in fwd. The tower which the cable screws into is where the fork and spring are, your cable connects to the fork.
TOM
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#10
10-21-2011, 12:33 PM
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Quote:
Thanks again Tom and everybody
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#11
10-27-2011, 08:15 PM
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bump
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#13
01-17-2012, 03:28 AM
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i cut my engine off everytime i want to change direction from drive the reverse. oherwise it sounds like it wants to grind out
__________________
ASW Blue Lightning Manco Hyper Improvise. Adapt. Overcome "Men Of Action"
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#14
01-17-2012, 08:22 AM
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Jagguar2012 pull one of the access plugs in the reverse unit and shoot about 20 pumps of grease into it with a greasegun. Bootboy1488 I believe yours is an internal reverse which your symptoms would show bad gears on the output and cluster.
TOM
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#15
01-18-2012, 03:43 AM
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when i want to change gears i am usually in a hurry so i just cut the engine so the rpms will come down faster. if the buggy is idling it wont grind.
__________________
ASW Blue Lightning Manco Hyper Improvise. Adapt. Overcome "Men Of Action"
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#17
02-02-2012, 11:59 AM
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Quote:
Update Thanks! everybody for their time Its Fix Now i just replaced the springs on the clutch,,,,,,,,,, that was the problem Thanks again jaguarr2012
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