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Chain Adjustment Question
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Monkey Monkey Monkey!!!
 
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Chain Adjustment Question - March 18, 2010, 02:04 PM

I know this is a shot in the dark but...

I have an 06 cbr1000rr and was wondering if anyone happened to know the Torque spcs for retightening the rear axle nut, as well as how much slack I should have in the chain once I am done...

Any help is appreciated.

-J


This demonstrates how stupid the average American is. Every ninety minutes someone in this country is hit by a train. A train, Okay? Trains are on tracks; they can't come and get you. They can't surprise you when you step off a curb. You have to go to them! Got that?

Used to have an '05 SV1000S before it was stolen
Replaced with a CBR1000rr.....
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March 18, 2010, 02:10 PM




2.0 - 2.6 inches [50 - 65 mm] of "play" in its drive chain - while at rest on its side stand. Additionally, I would suggest that while the motorcycle is loaded its drive chain ought not to be as tight as a bowstring - regardless of the amount of play that is present when the motorcycle is at rest on its side stand.

To check chain tension:
- the motorcycle is left at rest on the (1) side stand;
- a "locking-blade" (2) tape measure is set on the ground at the midpoint of the chain - between the front and rear sprockets.
[Position of the 12mm and 14mm adjustment (3) nuts indicated;
position of 24mm axle (4) nut, with safety pin intact, indicated.]




Hooking the lip of the measuring tape around the chain, the chain is lifted to the highest point possible. And then the blade is locked.




Pushing down on the chain, the maximum amount of "play" is indicated - in this position. The tension ought to be checked in several different points, in order to check for "tight spots."

In the photograph above, a "play" of just over 2.5 inches is indicated.

While 2.5 inches of play is supposed to be the upper-end of the chain's slack at rest, I would suggest checking the tension again - while the motorcycle is loaded with the rider's own weight and any cargo to be carried. If there isn't ANY slack while loaded, the chain is probably too tight. I certainly wouldn't make it any tighter. Checking the tension while the motorcycle is loaded might be a two-person job. It's worth the time. Do it.

In the example pictured here, I found 2.5 inches to be the tightest spot on the chain - and plenty of slack evident while the motorcycle was loaded, too.


The Nightmare of Summit Point
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March 18, 2010, 02:14 PM



The Nightmare of Summit Point
WERA Nov# 325 / CCS # 326
2016 ZX10R ABS (Street) | 2011 ZX10RR(Race)
2011 R6 (Street & Track) | 2009 WR250F
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March 18, 2010, 03:47 PM

are you a time traveler?

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March 18, 2010, 03:52 PM

Quote:
Originally Posted by Elcheecho View Post
are you a time traveler?
I sir am satan.


The Nightmare of Summit Point
WERA Nov# 325 / CCS # 326
2016 ZX10R ABS (Street) | 2011 ZX10RR(Race)
2011 R6 (Street & Track) | 2009 WR250F
GunnRunnaz.com|GR on FaceBook | www.2666ad.com|
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Monkey Monkey Monkey!!!
 
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March 19, 2010, 06:34 AM

You guys are awesome! Thanks for all the help!!

-J


This demonstrates how stupid the average American is. Every ninety minutes someone in this country is hit by a train. A train, Okay? Trains are on tracks; they can't come and get you. They can't surprise you when you step off a curb. You have to go to them! Got that?

Used to have an '05 SV1000S before it was stolen
Replaced with a CBR1000rr.....
  Send a message via AIM to  
Reply With Quote
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