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Old 04-02-2007, 11:57 AM   #1
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Default How do you guys set up your centax clutch..

I just wanted to see how some of the guys here set up there centax clutch system and the what do they use for there preload and bearing clearence..
so people say use .50 of clearence and some say use .40-.30 I think this will be some good info like the clutch bell thread..
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Old 04-02-2007, 02:37 PM   #2
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It will be interesting to see what others say...

But I use .01 of clearence, but I shim the bell from touching the shoe. when you push on the clutch bell and turn it. My opionion on this, is I want a little clearence as possible to not drag the clutch bell on the shoe.
Preload, I use 9.5 to 9.6 mm, measuring from the end of the crank shaft to the nut holding the spring in place. It slips a little much for the first lap or two, but then comes in very nicely. I also lighten the clutch weights a bit, on the RRR assembly, I take the holes out to 4mm.
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Old 04-02-2007, 03:12 PM   #3
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I shim the clutch bell until it no longer drags. I set my spring preload at .5mm and adjust from there. I tried Mike Swaugers settings. The clutch engaged way too late
(I guess I need a $300+ motor to use his settings). My endplay is set to .2mm.
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Old 04-02-2007, 04:03 PM   #4
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how are you guys getting your clearence, what tools are you using..
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Old 04-02-2007, 04:37 PM   #5
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go to mytsn.com and download the manual for the 720, theres a good explanation on how to adjust the gap and the endplay, you could shim and have no drag on your shoe, but that does not mean it is the gap.
.6mm gap and .1 .2 are common choices. and the preload changes from every engine manufacturer and varies according to the flywheel cone and the flywheel itself and if you are using a shim behind the cone, so that measure should be only valid from the top of the cluth nut, not the shaft.
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Old 04-02-2007, 04:39 PM   #6
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I set it by feel. Basically I eyeball it, then go run it for a bit. How does it feel? I don't measure it often and usually don't have to. I can usually tell by feel and the amount of play on the clutch bell. Just for refrence though I started with .5mm and worked from there. My clutch feels like it slips alot when you first get going, but once it warms up it's like a gun and you really gotta be careful. I think this is basically how they all should be. You really shouldn't be able to move it much right away, and it would seem like it's going nowhere. Blip the throttle a few times and it gets going. After the first turn it's gonna take off every time you hit it.

I'll have to try Swauger's settings next time and see how I like it. His setup is for later engagement where it will do what I described above. Engage late, but it gives more bottom end once it warms up and you are used to it. Like I said previously it engages like a gun once it gets rolling and through the first turn.
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Old 04-02-2007, 05:23 PM   #7
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Quote:
Originally Posted by MRX4-R03
how are you guys getting your clearence, what tools are you using..
Use a Digital clutch gap and endplay tool you can't go wrong with it.
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Old 04-02-2007, 05:39 PM   #8
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Quote:
Originally Posted by Team Kamikaze
Use a Digital clutch gap and endplay tool you can't go wrong with it.
Never heard of this tool. I use either my craftmans feeler gauges or my digital verners(calipers)
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Old 04-02-2007, 05:42 PM   #9
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Quote:
Originally Posted by Team Kamikaze
Use a Digital clutch gap and endplay tool you can't go wrong with it.
That thing is junk!
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Old 04-02-2007, 05:44 PM   #10
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Quote:
Originally Posted by Pooh2
That thing is junk!
What does it look like? Any pics? I'm thinking of picking up the Kyosho all in mechanical gauge.
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Old 04-02-2007, 05:46 PM   #11
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Quote:
Originally Posted by lil-bump
What does it look like? Any pics? I'm thinking of picking up the Kyosho all in mechanical gauge.
Stay away from the digital tool. The kyosho tool is better.
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Old 04-02-2007, 06:04 PM   #12
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Quote:
Originally Posted by Pooh2
Stay away from the digital tool. The kyosho tool is better.
Thanks
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Old 04-02-2007, 06:09 PM   #13
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Quote:
Originally Posted by Pooh2
That thing is junk!
because you don't know how to use one you can't say it's junk,
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Old 04-02-2007, 06:16 PM   #14
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Quote:
Originally Posted by MRX4-R03
how are you guys getting your clearence, what tools are you using..
Just in case the kyosho clutch tool # is vzw040 & also works to remove your pinions I use this tool & the caliper when using the caliper each time you measure it the readings are not going to be exact but it will get you in the ball park
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Old 04-02-2007, 06:58 PM   #15
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Here is a link that mite help... http://rctech.net/forum/showthread.php?p=2116982
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