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Motorized Cruiser Bicycles The beach cruiser has always been great bicycles to motorize. They just look good with a motor. Use this section to share and discuss about motorizing this classic.

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Old 03-04-2012, 02:42 AM
scotto-'s Avatar
scotto- scotto- is offline
Custom 4-Stroke Bike Builder
Join Date: Jun 2010
Location: Ridin' inSane Diego, CA.
Posts: 6,518
Red face Rusty Spokes.....a 4-stroke cruiser

Here we have a cruiser, owned by a friend and built locally. It just needed some work.....a tune-up, some adjustments and a little TLC. Well about a week and a half later, mission accomplished.....more or less.

Here are some pics of the bike built by Rusty Spokes in SD, CA.




The last pic shows the biggest problem of this build.....the Skyhawk gearbox with it's manual type clutch if you will........nice piece of work that one. The only other gripe is the huge lack of braking power and the really long rear swingarm that lend flimsiness to the rear end. It's an ok looking bike and the HS runs quite well, but the gearbox and flimsy rear end leave a lot to be desired in a daily rider. It has a 520 motorcycle chain on the power side......why?
EZ Motorbike Dealer - San Diego, CA.
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Old 03-04-2012, 08:45 AM
azbill's Avatar
azbill azbill is offline
Motorized Bicycle Elite Member
Join Date: May 2008
Location: Fountain Hills, Arizona
Posts: 3,369
Default Re: Rusty Spokes.....a 4-stroke cruiser

I was looking at rusty spokes' stretch while planning my stretch build
the swingarm flex reported by many was the main reason I didn't go that route

Intelligence is learning from your own mistakes,
Wisdom is learning from the mistakes of others

EZ Motorbike Dealer - Fountain Hills, AZ
EZ Motorbike of Fountain Hills
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Old 03-04-2012, 10:38 AM
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GearNut GearNut is offline
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Join Date: Aug 2009
Location: San Diego, Kaliforgnia
Posts: 5,106
Default Re: Rusty Spokes.....a 4-stroke cruiser

It looks really nice for sure, but I agree with everyone's assessments/ opinions.
They have a really good thing going with that simple design, it looks awesome!
Perhaps Rusty Spokes could produce these suspension frames with a wider spaced swing arm pivot riding on bearings and a gusseted tubular swing arm, more along the lines of a motorcycle? I don't know if the costs involved would be prohibitive for a small test run or not....

I see an EZM or 4GT working out very well on one of these.
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