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954 RR - 520 Conv. with 54 rear and 15 front

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954 RR - 520 Conv. with 54 rear and 15 front - 3/18/2008 2:14:12 AM   
walker1217

 

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Hello, I'm new to this forum and didn't want to search through all the threads.  I have a 2002 CBR 954 RR and currently have a 15 front sprocket and 45 rear sprocket.  I spun 4 teeth off of my rear sprocket with a loose chain.  I'm thinking about upping my rear sprocket to 54 but keeping the same size front sprocket. I am also doing a 520 conv. and am concerned about the cc rating on the chain.  I want more torque for wheelies and stunting and was wanting ADVISE or CONCERNS about this drastic jump in sprocket size. 

Thanks in advance for all the posts.

Walker
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RE: 954 RR - 520 Conv. with 54 rear and 15 front - 3/18/2008 10:31:18 AM   
pimpncbr954s


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It will be a wheelie machine, as if its not already but youll be pulling 4th gear wheelies. You will loose quiet a bit of top end but the 520 and sprockets will be good for you since you want to stunt.

(in reply to walker1217)
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RE: 954 RR - 520 Conv. with 54 rear and 15 front - 3/18/2008 4:16:44 PM   
Icefox


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Taken from HAI Bikeshop's website:

520 has the advantage of being lighter weight and increasing performance just from the loss of rotating mass.  However, the thinner profile does have a shorter life expectancy than a thicker 525 or 530.

(Increase in rear sprocket teeth)

+5 –  Provides a good place to start for anybody looking to get a little more into the stunts without sacrificing street riding or too much top speed.  Will gain some torque/acceleration while losing roughly 10% of top speed.


+10 -  Provides good amounts of power for slower wheelies while still having decent street riding.  Will gain good torque/acceleration while losing roughly 20% of top speed.


+15 –  Provides great power for technical slow wheelies.  Street riding will be reduced to moderation in the city limits.  No highways.  Will gain great torque/acceleration while losing roughly 30% of top speed.


+20 -   Provides huge power for anything and everything technical.  Street riding will be reduced to just parking lots.  Not for beginners.  Will gain huge torque/acceleration while losing roughly 40% of top speed.


+25 or bigger – Ridiculous… but fun.  Go big.


Beware of first gear with your new sprocket! 

_____________________________

2002 Honda CBR 954RR
-Clear Alternatives Integrated Rear Tail Light
-Two Brothers Carbon Fiber M2
-Vortex Frame Sliders
-Power Commander III USB
-Flush Mount Front Signals
-Vortex -1 Front Sprocket
-Scotts Steering Stabilizer

(in reply to pimpncbr954s)
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RE: 954 RR - 520 Conv. with 54 rear and 15 front - 3/18/2008 6:57:09 PM   
bobjoezx


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stunting will take alot of abuse.. so get steel sprockets and a good chain.. also what speed do you want to do wheelies..stunting.. the slower you wanna go.. the bigger you go in rear sprocket.. i did the -1 +2 first.. then went to a -1 +5 .. to make it a 48 in the rear. .i did stand up wheelies in 4th gear.. but also limited my top end quite a bit..

so what speeds do u wanna be at

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RE: 954 RR - 520 Conv. with 54 rear and 15 front - 3/18/2008 7:37:19 PM   
TK954RR


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From: Green Bay WI
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I just went -1 +2 this year, i only got to ride for about 50 miles. I would have to say for my riding its about perfect, although just -1 would be just fine too. Highway wheelies at 65-70mph in 4th gear are super easy now and good control, i think going any more though would be silly, at least for me.

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RE: 954 RR - 520 Conv. with 54 rear and 15 front - 3/18/2008 8:06:49 PM   
bobjoezx


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i like stock personally now that i have tried several setups.. 

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RE: 954 RR - 520 Conv. with 54 rear and 15 front - 3/19/2008 11:36:38 PM   
walker1217

 

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I've been riding my 954 for about 3 years now and have had a hard time trying to pull 3rd gear wheelies with my -1 +2 for some reason.  I want to be able to pull wheelies at slower speeds and be able to pull them up in higher gears at faster speeds.  I haven't bought the sprockets yet but am still concidering the 54 rear, but I may end up only going up somewhere between 5-10. So keep the input coming and I thank you guys for all your knowledge.
Walker

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RE: 954 RR - 520 Conv. with 54 rear and 15 front - 3/20/2008 12:38:07 PM   
TK954RR


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Joined: 12/3/2006
From: Green Bay WI
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Walker as far as making your gear choice i will just state that -1 +2 will for a fact wheelie 3rd gear (sitting down). You will have to be a little higher in the revs then 1st or 2nd gear, but it will go up. Now if your havin trouble you could add another tooth or 2 in back, but your gonna lose more top end. You know how you ride and if thats acceptable or not, but in case there was doubt about the gearing i just wanted to point it out.

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