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Motorized Mountain Bikes and Road Bikes Motorize a full suspension mountain bike to get a smother ride or for a little more speed try motorized road bicycles. This section is for sharing ideas on motorizing your mountain and road bikes.


what spare parts to order?

Motorize a full suspension mountain bike to get a smother ride or for a little more speed try motorized road bicycles. This section is for sharing ideas on motorizing your mountain and road bikes.


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Old 01-29-2013, 02:25 PM
fasteddy2 fasteddy2 is offline
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Default what spare parts to order?

Hey guys im building my first motorized bicycle and am ordering a 48cc gt2b brubee engine. My question is what extra parts besides a masterlink and clutch pads should i buy for just in case? also where can i order extra jets for the cns carb at? i live at about 4600 ft in elevation so it would be nice to tune accordingly
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Old 01-29-2013, 03:31 PM
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Default Re: what spare parts to order?

SBP should have the jets, as for spare parts its up to you. I have broken clutch cables, cdi, magneto and a carburetor. Sick bike parts is one of the vendors on the side off this page.
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Old 01-29-2013, 03:49 PM
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Default Re: what spare parts to order?

awesome thanks man ill check them out
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Old 01-29-2013, 06:57 PM
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Default Re: what spare parts to order?

Great question. I highly recommend you get a spare magneto-coil, maybe an extra CDI, and an NT carb are good investments; each can be had for less than $20 on eBay. Actually, if I knew then what I know now, I'da bought TWO kits; the cost of individual replacement-parts and shipping make it a cheaper and more convenient option for a first-build. There's a lot to learn, but the curve is steep and this newsgroup is a great resource. Having ruined a magneto-coil and needing to wait nearly a week for a replacement is really frustrating. I've learned to avoid problems more effectively, and I keep spare parts (and replace them when used) so as not to be left in a lurch when things break.
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Old 01-29-2013, 10:58 PM
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Default Re: what spare parts to order?

Ditch the stock chain and upgrade it. It's the single weakest link in the stock drivetrain. I use #40 roller chain but you can find others. Search it here for lots of suggestions.
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Old 01-30-2013, 04:56 AM
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Default Re: what spare parts to order?

Good suggestion, I run #41 chain on both of mine.
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Old 01-30-2013, 10:54 AM
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Default Re: what spare parts to order?

ok great i ordered an extra heavy duty 410 and a few extra clutch parts incluing pads, spring and the arm on the motor. ill have to grab an extra cdi and coil wire next week. hopefully all goes well im probably alot more excited for this than i should be lol
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Old 02-01-2013, 09:16 PM
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Default Re: what spare parts to order?

Pedal away from stops, don't slip the clutch like a dirtbike. I am over 250lbs and I have never had a clutch apart yet. I have many many thousands of miles on stock chinagirl clutches with no problems.
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