May 2nd, 2011, 06:39 PM | #1 |
ninjette.org member
Name: Tim
Location: Seattle, WA
Join Date: Sep 2010 Motorcycle(s): 78 Ducati 900SD Darmah, 74 Yamaha TA125, 71 Honda CL175 , 78 Moto Morini 3 1/2 Sport, 09 Kaw 250R, 08 KLR650 Posts: 45
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415 GP chain conversion
I have been testing a 415 GP chain conversion for the 250 on my race bike. After 2 track days and 2 complete race weekends, the set-up appears pretty bullet proof. The chain has stretched less than 1 full index mark on the chain adjusters. That is about how much stretch I had with a stock chain on one race weekend, so....
It isn't o-ring chain, so I suppose if you wanted to run it on the street you would need to take good care of it and clean/lube it very regularly. Anyway, one of my sponsors has the sprockets and chains. I don't know if I will get in trouble for posting it here, but this is the link to get them. http://www.aftermarketcycles.com/fea...ocket-set.html I have no affiliation. Just trying to show you guys where to get some cool unobtanium stuff for your racers! TimO |
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May 2nd, 2011, 06:47 PM | #2 |
Join Date: Nov 2008 Posts: Too much.
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If I had a race bike, I'd be all over this. I've converted all my dirt bike O-ring chains to non O-ring and the difference in the lack of rolling resistance due to drive chain friction makes a significant difference. I clean and lube the chains after every ride.
For street riding, though, I won't be going to a non O-ring chain as I don't give my street bike O-ring chain enough attention as it is. Thanks for the info, Tim. |
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May 2nd, 2011, 07:31 PM | #3 |
CVMA / AFM / M1GP #250
Name: Steve
Location: Los Angeles
Join Date: Sep 2009 Motorcycle(s): 2009 Ninja 250r, 2011 Zero S, 2009 KLR 650 Posts: A lot.
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oh man I'm all over this! Whats the weight difference?
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May 2nd, 2011, 07:38 PM | #4 |
ninjette.org member
Name: Tim
Location: Seattle, WA
Join Date: Sep 2010 Motorcycle(s): 78 Ducati 900SD Darmah, 74 Yamaha TA125, 71 Honda CL175 , 78 Moto Morini 3 1/2 Sport, 09 Kaw 250R, 08 KLR650 Posts: 45
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I didn't actually weigh the stock one, but if you believe manufacturer claims, it should be around a 3 lb. difference just in the chain alone.
I have to agree, I wouldn't run it on a street bike. But it is too cool on a racer! TimO |
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May 2nd, 2011, 08:04 PM | #5 |
ninjette.org member
Name: Tim
Location: Seattle, WA
Join Date: Sep 2010 Motorcycle(s): 78 Ducati 900SD Darmah, 74 Yamaha TA125, 71 Honda CL175 , 78 Moto Morini 3 1/2 Sport, 09 Kaw 250R, 08 KLR650 Posts: 45
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I also had a special batch of spacers made for the Woodcraft clip-ons so that you could angle the bars back a bit to get your elbows out of the slipstream. Might be REAL handy in those Willow Springs drafting battles!
http://www.aftermarketcycles.com/fea...pacer-kit.html The ones in the pictures are the prototypes on my race bike. I am told the production versions will be black anodized to match the bars. Some guys in our club were experimenting with spacers that relied on the strength of the bolts to carry the load of the bars, but the Woodcraft bars use an interlocking method between the riser and the fork tube clamp, so the only load the bolts have are to hold the 2 pieces together. And lateral load is taken by the interlock. So these spacers have that same interlock, which I think makes them a lot more safe to use. Again, not very good for street use. The reason the Woodcraft bars have such an odd forward angle is to clear the stock instruments and the black fairing insert. All that is gone on my racer, so I can move the bars anyway I want. TimO |
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September 5th, 2011, 09:43 PM | #6 |
ninjette.org member
Name: Adam
Location: Washington
Join Date: Sep 2010 Motorcycle(s): 08 Ninja 250R (race), 01 Ninja ZX6R (race), 00 Ninja ZX6R (street), 03 R6 (race) Posts: 68
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You can read about the weight differences on my racing blog: http://www.racingorder.com/2011/09/2...ht-comparison/
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September 5th, 2011, 10:01 PM | #7 |
CVMA / AFM / M1GP #250
Name: Steve
Location: Los Angeles
Join Date: Sep 2009 Motorcycle(s): 2009 Ninja 250r, 2011 Zero S, 2009 KLR 650 Posts: A lot.
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interesting... I just got feedback from nemesis on the setup, and his chain stretched nearly an inch... not sure what's going on there, or if I should order the better-quality chain!
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September 5th, 2011, 10:04 PM | #8 |
ninjette.org member
Name: Adam
Location: Washington
Join Date: Sep 2010 Motorcycle(s): 08 Ninja 250R (race), 01 Ninja ZX6R (race), 00 Ninja ZX6R (street), 03 R6 (race) Posts: 68
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I have no idea about the Tsubaki, but I know the DID stretches at first some, but I don't believe it's constant. Just be sure not to over tighten!
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September 6th, 2011, 08:18 AM | #9 |
CVMA #69
Name: Christian
Location: Southern California
Join Date: Aug 2011 Motorcycle(s): 1st Gen SV650 Race Bikes, Ninja 250R Race bike, 05 YZ125, 73 CB350 Cafe Racer Posts: 41
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ALL chains will stretch from new.
More noticeable in the non O-ring chains. You can sometimes expect up to an inch of stretching depending on how hard it was ridden. Hell, even when you buy a brand new bike, you need to adjust the stock chain after 50 miles or so of riding. They all stretch quite a bit from new. I don't foresee many more extreme adjustments after the initial run. But as a rule, always check your chain and adjust as needed before any race weekend or ride for that matter.
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~Christian CVMA #69 |
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September 6th, 2011, 08:22 AM | #10 | |
CVMA / AFM / M1GP #250
Name: Steve
Location: Los Angeles
Join Date: Sep 2009 Motorcycle(s): 2009 Ninja 250r, 2011 Zero S, 2009 KLR 650 Posts: A lot.
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Quote:
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September 6th, 2011, 08:26 AM | #11 |
CVMA #74 WSMC #750
Name: Nemesis
Location: On the track
Join Date: Oct 2009 Motorcycle(s): All of them Posts: A lot.
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Okay Xtian I'm hoping it won't stretch any more than what I experienced this past weekend. Cuz if it does stretch again iz no bueno. That sucker stretched more than an inch....like the chain was just dangling.
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September 6th, 2011, 08:32 AM | #12 | |
CVMA #69
Name: Christian
Location: Southern California
Join Date: Aug 2011 Motorcycle(s): 1st Gen SV650 Race Bikes, Ninja 250R Race bike, 05 YZ125, 73 CB350 Cafe Racer Posts: 41
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Quote:
Just keep an eye on it, I really can't imagine these 250's putting any more stress on these 125 2stroke specific chains. Interesting to see the diff. between this chain and the DID 515 offered. Too bad you have to buy 2 DID chains because their lenght isn't sufficient.
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~Christian CVMA #69 |
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September 6th, 2011, 12:51 PM | #13 | |
ninjette.org member
Name: Adam
Location: Washington
Join Date: Sep 2010 Motorcycle(s): 08 Ninja 250R (race), 01 Ninja ZX6R (race), 00 Ninja ZX6R (street), 03 R6 (race) Posts: 68
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Quote:
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September 6th, 2011, 01:19 PM | #14 | |
You are sleeping
Name: Casey
Location: LMFAO!!!
Join Date: Nov 2009 Motorcycle(s): 2 Posts: A lot.
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Quote:
Are you sure they won't work on a street? WTF am I talking about I pulled my gauges. Dang I like those might try them. Cool stuff.
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<Yeah, it's a 250. LMFAO! Weaksauce |
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