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Old 03-29-2007, 10:12 AM   #1
mr_joe
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Arrow Unscrewable Front Sprocket!

Like DAMNE its on there tight!!!!! LOL i'm replacing my front sprockt of my 05 R6 with a new one i got from Patrick over at Motorcycles Unlimited ( Great service there ) and like the stupid thing wont come off!!!!!

here is what i have tried:
-Bike on and off stand in first and second gear
-- by hand with a 2 foot extension bar,
-- i put some WD40 and still nothing. then my dad came and he couldn't
-- then my little 310 lb brother and he couldn't
-- took out the air tools and still nothing :BangHead:

i know it was hard but !! the three of use couldn't make it move.
it is lefty lossy right tighty right?

it will skip over so and i am applying the back break to make it stop and that worked but it still dons't wotk. i read some where you need 150 lbs of twist or what ever its called.
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Old 03-29-2007, 10:14 AM   #2
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Try a cheater bar. I've got a 6' pipe standing by for such occasions.
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Old 03-29-2007, 10:17 AM   #3
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Have some one hold down the rear brake for you while you use a breaker bar with a cheater pipe. Otherwise you need a good impact.
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Old 03-29-2007, 10:19 AM   #4
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Plus one on moody. Either man up and grow a sack.......jk....or pull out your trusty impact and hit it until it comes off. They are on they're pretty tight.....:eh:
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Old 03-29-2007, 10:28 AM   #5
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Dude, put a bar in between the tires and swingarm.... Don't hold the rear brake pedal down... The thread is standard thread, I have heard that some folks have measured the front sprocket torqued at well over 100ft/lbs.

check it.... http://www.r6messagenet.com/forums/s...t+sprocket+nut
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Old 03-29-2007, 10:34 AM   #6
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You could always try heating it up with a torch. That'd be the route I'd go, it'll probably come loose then....

You can use an oxy/acet. torch but be careful....or a butane torch, this is what I usually use for stuff like this.....or a propane torch but it'll take a while with propane.
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Old 03-29-2007, 10:42 AM   #7
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make sure the lock washer thing isn't still folded over the nut.
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Old 03-29-2007, 10:44 AM   #8
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oh, and yes....it's lefty loosey rightey tighty....

and an impact is the best route to go.

Last edited by dbuck; 03-29-2007 at 10:49 AM.
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Old 03-29-2007, 10:44 AM   #9
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beg, borrow or steal an impact wrench and Zzzzzzzzziiiiiiiiiipppp - off it will come. They are a bear to remove without one.
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Old 03-29-2007, 10:57 AM   #10
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He said he used "air tools" I can only assume that would mean an impact gun....right?
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Old 03-29-2007, 11:16 AM   #11
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Quote:
Originally Posted by mr_joe
here is what i have tried:
-Bike on and off stand in first and second gear
-- by hand with a 2 foot extension bar,
-- i put some WD40 and still nothing. then my dad came and he couldn't
-- then my little 310 lb brother and he couldn't
-- took out the air tools and still nothing :BangHead:

it will skip over so and i am applying the back break to make it stop and that worked but it still dons't wotk. i read some where you need 150 lbs of twist or what ever its called.
I've had difficult times doing this before. Put the bike in 6th gear, get a friend on the rear brake, also get said friend to actually sit on the bike to help that rear wheel keep some traction. Try some liquid wrench and about a 3 ft breaker bar. Otherwise go to the impact wrench.

PS. that's not exactly a 'little' brother. That about 70 punds more than both my sisters.
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Old 03-29-2007, 11:25 AM   #12
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i just put a board in the rear wheel to keep it from spinning
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Old 03-29-2007, 11:42 AM   #13
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i dont know about sprockets.. but when i have problems being able to screw other things i normally tie them up and lube the out of it. dont be afrait do get rough with it. if you cant handle it with the tool you have maybe the task is to hard for you. in which case if could be time for some tag team action and maybe even a foursome...
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Old 03-29-2007, 11:52 AM   #14
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Quote:
Originally Posted by Clayton9698
when i have problems being able to screw other things i normally tie them up and lube the out of it. dont be afrait do get rough with it. if you cant handle it with the tool you have maybe the task is to hard for you. in which case if could be time for some tag team action and maybe even a foursome...

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Old 03-29-2007, 11:53 AM   #15
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i had the same problem on mine heated it up, i froze it, used the impact gavce it a bath in wd. and still no help .
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Old 03-29-2007, 11:54 AM   #16
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Quote:
Originally Posted by issanni
You could always try heating it up with a torch. That'd be the route I'd go, it'll probably come loose then....

You can use an oxy/acet. torch but be careful....or a butane torch, this is what I usually use for stuff like this.....or a propane torch but it'll take a while with propane.
yeah, never mind the oil seal it will only leak a little.


Bigger impact. If that dont work a hytorc will get it off or rip the motor clean out of the frame.

Last edited by maskale; 03-29-2007 at 11:57 AM.
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Old 03-29-2007, 12:14 PM   #17
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put a wrench on it and let it spin around untill it hits something.. then start the motor and put it in 1st and slowly let out the clutch.. if it turns the right direction.. i bet that will work. .. if it is turning the wrong way i wouldnt suggest it... unless maybe you think tightening it alittle will make it easier to back out.. kinda a break it loose idea.
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Old 03-29-2007, 12:16 PM   #18
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Quote:
Originally Posted by Clayton9698
i dont know about sprockets.. but when i have problems being able to screw other things i normally tie them up and lube the out of it. dont be afrait do get rough with it. if you cant handle it with the tool you have maybe the task is to hard for you. in which case if could be time for some tag team action and maybe even a foursome...

:confused2
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So is refusing to give it up.

If you keep looking in the pantry and finding out its empty, eventually you go to a restaurant.
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Old 03-29-2007, 12:26 PM   #19
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I've always used a impact.
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Old 03-29-2007, 12:32 PM   #20
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Quote:
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make sure the lock washer thing isn't still folded over the nut.
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