Increasing the Marauders Speed

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Increasing the Marauders Speed

Post  Admin on Thu May 06, 2010 2:11 am

Hi

For a while now i have been pondering over the lack of speed from the marauder, the bike is adequate around town but once out and about getting anywhere is a bit of a drag. Sad

I have come to 2 conclusions: 1, get another bike or 2, change the rear sprocket.

Option 2 is definately the way forward for me, though I had hit a snag. like they don't produce smaller rear sprockets for the marauder at all.

Ok so you can't replace the rear sprocket with an off the shelf item. Rolling Eyes

But what i'm gonna do is replace both front and rear sprockets and the chain for 520 versions. Very Happy
After some exhaustive internet research on the JT sprocket site, i've found out that the Suzuki GT200 front sprocket will fit and the Marauder 250 rear sprocket will as well and comes in 39 & 41 teeth as opposed to the 45 teeth we have at present. Coupled with a nice shiney new 520 chain I reckon the marauder will do 70. cheers
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Re: Increasing the Marauders Speed

Post  james,t on Fri May 07, 2010 8:36 am

just got a new front sprocket plus 1 tooth for mine hope fully doing it this weekend

james,t
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Re: Increasing the Marauders Speed

Post  Admin on Fri May 07, 2010 10:11 pm

Hi James,T

I already run with a 17 toother on the front, 16 is quite usable though probably more so than the 17 i'm running as top gear is just for bimbling with no discernable pick up. Laughing

Regards

Bob
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Re: Increasing the Marauders Speed

Post  Admin on Sun May 09, 2010 1:10 am

I have ordered the bits, and all being well should be here by tuesday.

Regards

Bob
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Re: Increasing the Marauders Speed

Post  james on Sun May 09, 2010 1:28 am

I think on my bike 1st gear is a bit off waste of space as i can easily take off in 2Nd.
but its all interesting Very Happy

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Re: Increasing the Marauders Speed

Post  Admin on Sun May 09, 2010 1:38 am

Is that with standard gearing 15/45?
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Re: Increasing the Marauders Speed

Post  james.t on Sun May 09, 2010 1:49 am

yes its standard. Ive seen a company that makes back sprockets less 2 teeth might be interesting. will put up link later
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Re: Increasing the Marauders Speed

Post  Admin on Thu May 13, 2010 11:44 pm

Big Fail Shocked

The 520 stuff, new front sprocket size 15 and rear sprocket size 37 makes the bike slower!!!!

Effectively the stuff is about 15-20 percent bigger than 428 so the rear sprocket is bigger in diameter than the standard 45 rear, the 15 front is slightly bigger than the 17 already running and the new top speed is now 40.

It will be stripped off and discarded to the confines of my shed. No

Back to the drawing board.....
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Re: Increasing the Marauders Speed

Post  james.t on Fri May 14, 2010 8:44 am

how easy was it to take front sprocket off as I'm Haven a bit of difficulty at mo
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Re: Increasing the Marauders Speed

Post  Admin on Fri May 14, 2010 9:31 pm

Hi James

You need a 26mm socket and a long bar, I use the sit on the bike hold the brake and turn the nut on the sprocket method because you dont want the back wheel to turn. The nut is torqued up at the factory, I think about 80-90Nm which is bloody tight.

Regards

Bob
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Re: Increasing the Marauders Speed

Post  james.t on Sun May 16, 2010 3:42 am

went to the local bike shop 2day and he manager to undo it but was on there tight
the air gun (driver) just manager it
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