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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 04-15-2012, 12:54 PM
Felix's Avatar
Felix Felix is offline
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Join Date: Mar 2012
Location: Texas, USA.
Posts: 53
Default Rear fender

I've seen some crusier bikes pic that have the rear fender still on. I thought they had to be removed. Do see the engines are really tilted though. How do I install the engine with the rear fender on? Wont the chain hit the fender? And they also have the chain guard on (orginal).
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Old 04-15-2012, 01:47 PM
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Al.Fisherman Al.Fisherman is offline
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Join Date: Sep 2009
Location: Calera, Alabama
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Default Re: Rear fender

Removing times the braces will break or the rivets come loose...and you don't want to see a fender coming off while underway. Fenders are nice and if yours, the OEM fenders, brace them good and do away with the rivets. There are aftermarket fenders out there that can hold up to the vibration of the engines.

On the choppers I have built, the chain will hit the fender....bench grinder takes care of this.

Kind of hard to see but I had to grind enough clearance for the chain.

As far as the engine tilt...what are you looking at? Yes some are tilted, in which case you might have to adjust the float.

As far as the chain guard, you need to mount the engine a little higher to clear the guard.
This was for a friend, and he wanted it this high, although I could of mounted the engine a little lower.

I wish I had a picture of the bike after he went home (150 miles away) and had pictures of the braces on his fenders. I wouldn't let him leave with the fenders on the bike.
Looking for HT's parts?
HT pre instillation tips.
Engine running problems?
HT breakdown Photos

Ron ><)))))*> Calera, Alabama

Last edited by Al.Fisherman; 04-15-2012 at 01:59 PM.
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Old 04-15-2012, 01:50 PM
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2door 2door is offline
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Location: Littleton, Colorado
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Default Re: Rear fender

No reason to have to "tilt the engine". The engines mount in front of the seat tube so the fender doesn't effect engine position.I run rear fenders on my bikes because I don't like that streak up my back when there's water on the road and I don't want it sprayed into the carburetor.

We always suggest removing the front fenders or reinforcing the mounting on them due to several accidents where the fender broke loose and wrapped around the front wheel.
As for drive chain clearance, yes most rear fenders will need to be trimmed to allow the chain to clear but that's a small job with a good set of sheetmetal shears.

Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"
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Old 04-27-2012, 10:09 PM
flmotorbikes flmotorbikes is offline
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Join Date: Mar 2012
Location: Florida
Posts: 174
Default Re: Rear fender

I pulled out the dremel tool and cut a 5 inch long 1 inch deep slit in the fender for chain clearance
U.S.A Built Motorized Bicycle Kits
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