Yaaayy boinger section! and Shock question? - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 12 (permalink) Old 03-28-2012, 11:51 PM Thread Starter
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Yaaayy boinger section! and Shock question?

So glad to see this.. thanks mods for doing in this. I guess it may seem superflous to some but still it seems like a nice addition, for ease of access if nothing else. Thank you!!

As far as the stock SP1 shock goes,from what i have read(?)... the consensus is that is junk, mostly becuase of its lack of available travel ( i think) and that is not rebuildable?
So can anyone answer if the SP2 is an improvement and worth swapping? I can't afford ohlins and am thinking of a rebuild/ respring/revalve but only of the shock is worth while. or is there anything that can be done to SP1 shock at least improve it??

Also. have any info on dimensions for making a fork preload spacer? and or experience using RT gold valves or similar?

thanks all,
D

Current steeds: 2000 RC51 SP1, 2002 KTM 520EXC, 2001 YZ250f
Road bikes I used to own: '03 Bandit 1200s, '02 ZZR1200, '00 Guzzi V11 Sport, '97 H-D 1200c sportster (don't judge me).

"If you don't stand for something, you will fall for anything".
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post #2 of 12 (permalink) Old 03-29-2012, 07:28 PM
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I'm New to the rc but all I can say is, I've taken my 05 sp2 for 2 short rides. And the rear shock sucks.
I'm 6'3" 265lb. And I set shock all the lowest settings. And its is stiff.
I'm in same boat as you. I'll just have to save since I just got New magnesium wheels for one of my other bikes.
I'm wondering the length of the shock to see if I can find a compatible cheaper option. I may respring it.
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post #3 of 12 (permalink) Old 03-30-2012, 07:44 AM
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I wouldn't say it sucked Madduck, its not sprung for your weight. I'm 100lbs lighter and after some adjusting i am able to get compliance. it's not the best i'll agree, but if a shocks not set up optimally it gives the appearance of "suck"
Just sayin....
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post #4 of 12 (permalink) Old 03-30-2012, 12:00 PM
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Originally Posted by deematic67 View Post
I wouldn't say it sucked Madduck, its not sprung for your weight. I'm 100lbs lighter and after some adjusting i am able to get compliance. it's not the best i'll agree, but if a shocks not set up optimally it gives the appearance of "suck"
Just sayin....
What the Hell is is it sprung for 400lb? Mine is like riding a tank.
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post #5 of 12 (permalink) Old 03-30-2012, 12:04 PM
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How can someone calculate the correct N/m on his springs (front and rear) according to his weight?


My Öhlins Project: https://www.rc51forums.com/forums/showthread.php?t=6033
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post #6 of 12 (permalink) Old 03-30-2012, 04:39 PM
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Originally Posted by MakisRC51 View Post
How can someone calculate the correct N/m on his springs (front and rear) according to his weight?
Here are two links that may help.
Race Tech
http://racetech.com/VehicleSearch

Penske
http://www.penskeshocks.com/Motorcycle-Spring_Chart.php

Of course you will need to calculate between N/mm, Kg/mm, and Lbs/in as these are the most common reference values.

I use this link often.
http://www.convert-me.com/en/convert/weight
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post #7 of 12 (permalink) Old 03-30-2012, 04:53 PM
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Thanx a lot Sub....really usefull stuff


My Öhlins Project: https://www.rc51forums.com/forums/showthread.php?t=6033
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post #8 of 12 (permalink) Old 03-30-2012, 07:29 PM
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Quote:
Originally Posted by dnsducks View Post
So glad to see this.. thanks mods for doing in this. I guess it may seem superflous to some but still it seems like a nice addition, for ease of access if nothing else. Thank you!!

As far as the stock SP1 shock goes,from what i have read(?)... the consensus is that is junk, mostly becuase of its lack of available travel ( i think) and that is not rebuildable?
So can anyone answer if the SP2 is an improvement and worth swapping? I can't afford ohlins and am thinking of a rebuild/ respring/revalve but only of the shock is worth while. or is there anything that can be done to SP1 shock at least improve it??

Also. have any info on dimensions for making a fork preload spacer? and or experience using RT gold valves or similar?

thanks all,
D
Quote:
Originally Posted by m u d d u c k 9 View Post
I'm New to the rc but all I can say is, I've taken my 05 sp2 for 2 short rides. And the rear shock sucks.
I'm 6'3" 265lb. And I set shock all the lowest settings. And its is stiff.
I'm in same boat as you. I'll just have to save since I just got New magnesium wheels for one of my other bikes.
I'm wondering the length of the shock to see if I can find a compatible cheaper option. I may respring it.
Quote:
Originally Posted by deematic67 View Post
I wouldn't say it sucked Madduck, its not sprung for your weight. I'm 100lbs lighter and after some adjusting i am able to get compliance. it's not the best i'll agree, but if a shocks not set up optimally it gives the appearance of "suck"
Just sayin....
I'm confused
Are you guys talking about the shock (rear) or the fork (front)?

John, 2000 RC51 #000100

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post #9 of 12 (permalink) Old 03-30-2012, 08:04 PM Thread Starter
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Originally Posted by jondog9 View Post
I'm confused
Are you guys talking about the shock (rear) or the fork (front)?
i believe it is all in refrence to the shock (rear). from what i have read the lack of availble travel seems to be a limiting factor (?).

Also came across this for refrence http://www.motophotos.com/rc51online...uspension4.xls
be sure to click on all the tabs, especially "specialists".
interesting how RT doesn't even really mention the shock "issues" the other tuners seem to mention. Just sayin...

Current steeds: 2000 RC51 SP1, 2002 KTM 520EXC, 2001 YZ250f
Road bikes I used to own: '03 Bandit 1200s, '02 ZZR1200, '00 Guzzi V11 Sport, '97 H-D 1200c sportster (don't judge me).

"If you don't stand for something, you will fall for anything".
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post #10 of 12 (permalink) Old 03-30-2012, 08:19 PM
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Rear shock is what I'm talking about. Forks are fine.
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