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Motorized Bicycle General Discussion All topics regarding bicycles with engines.

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  #821  
Old 10-18-2013, 09:50 PM
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Jumpa Jumpa is offline
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

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Originally Posted by Motorbikenewb View Post
Simple tip that will save you a lot of hassle. The clutch cable spring (the smaller one, not the heat shield), just toss it and install without the cable. Will save you plenty of hassle. Also, use some WD40 on the cable innards.

Another tip, get a double brake lever and connect both front and back brakes to it. That way you engage both brakes with the same lever, leaving more real estate on the other end of the handlebar.

Cheers....
good idea except WD-40 is often misused as a lubricant when it s not.
It's main purposes is to remove moisturize and unfortunately will break down and remove what little grease a better use would be CLP lubricant on the cables WD-40 breaks down what little film may be on the cables from the factory eventually causing the cables to rust
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  #822  
Old 10-19-2013, 11:40 AM
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CTripps CTripps is offline
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Originally Posted by Motorbikenewb View Post
Simple tip that will save you a lot of hassle. The clutch cable spring (the smaller one, not the heat shield), just toss it and install without the cable. Will save you plenty of hassle. Also, use some WD40 on the cable innards.
I usually slide the cable from the sheath and put a thin coat of grease on the cable. Just get a small glob on your fingertip, and slide the cable through it between said finger and thumb. Work some extra in/on at each end of the sheath. Don't do it to the end of the cable where the cable stop goes on, though, or it'll be harder to keep it (the stop) from moving.
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  #823  
Old 11-12-2013, 06:23 PM
mr42ndstblvd mr42ndstblvd is offline
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

for anybody who needs a clutch lever and dosent have time to waste a bicycle shifter thumb or grip shift works great its a lot harder to ride but if you need to get around it will work for ya i mounted a rear shifter from a 21 speed mtb on my bike and ran the "used" "rusted" cable to my clutch arm adjusted it and added the spring and it worked great its still on the bike today even though i sold the bike haha its also i cool mod if you dont have a locking clutch lever and you need to pedal around or move your bike in the garage because the clutch will lock in place by the shifter also a quick tip for the clutch cable spring junk the stock spring and get a firmer thicker one from home depot or lowes i fought with my bike forever trying to adjust my clutch to where it would fully disengage and push my lever back out turns out my spring just needed more stiffness
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  #824  
Old 11-15-2013, 03:22 PM
BoardTrackBomber BoardTrackBomber is offline
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

I would like to share these few tips/tricks/bits of information that I have learned with my gasbike adventures so far. I'm sure some of these ideas or at least a variant of them have already been mentioned, but this is just what I've done and it flat out works.


Some of the clutch levers in the kits we've seen from our builds are very noisy. When you pull the lever to release the locking pin and engage the clutch, the pin would always make a loud, annoying metallic "TINK!!" sound... Well I grabbed my box of orings I had laying around and stuck the smallest one I had on there, doubled up so it would stay. The metallic noise is GONE! Nearly 100% silent now so that's good!


I know there is a lot of talk on modifiyng or outright replacing the stock air filter assembly. What I did to mine was drill a very large hole in the cover itself so that the carb can easily and efficiently induct all the air it needs and it still passes through the filter foam. I can actually feel the air flowing by my fingers when I put them there while the engine is running.


This one is more cosmetic, I just took a utility knife and trimmed off all the ugly extraneous plastic of the filter housing that would overhang the carb body. Looks much cleaner I think.



When I first built this 29er, I used the regular "C" shaped front mount strap with some longer bolts. No matter what I did here, the bolts ALWAYS broke. I had to use EZ-outs TWICE to extract the remains of two bolts that had broken off flush in the threaded hole itself. Then I noticed, wait a minute, these kits also have this other flat strap mount that bolts to the engine, and then is held to the bike frame by a ubolt. Not a big or complicated thing but still something to note. If you're motorizing a bike with a larger than normal down tube as is the case with this one, you definitely want to use this style mount, or even better perhaps, fabricate your own. Since I swapped to this style, no more broken bolts.
Which brings me to my final tip. I used to use loctite and lockwashers everywhere, but for some reason I still had fasteners vibrating loose!!! My solution? Again nothing new or groundbreaking but it works: double nut EVERYTHING. Everything you have the room for it I reccommend doubling up the nuts.

Last edited by BoardTrackBomber; 11-15-2013 at 04:45 PM.
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  #825  
Old 11-15-2013, 04:32 PM
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allen standley allen standley is offline
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

When you find your clutch arm is continually needing adjustment- and seems to be wanked way too far in to disengage- It may be a good idea to pull the 5 bolted clutch cover - and with a rubber mallet or the palm of your hand give the clutch face a sturdy thump! if it pushes in - pull off the small sprocket drive cover and make sure that nut is tight! This can shear your half moon (god forbid) at worse ruin your clutch shaft too. If the star washer is flattened do not reuse it. find another similar @ hardware store. This may be the only place where you would EVER use red locktite.
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  #826  
Old 11-25-2013, 10:28 AM
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Some of the bikes I've built over the years have the cables running along the top of the tank tube ive re-routed them Ive eliminated them however the best idea Ive had to deal with this is to use a screw from an old bake lever that has the slot cut in it First I cut some rubber tubing lay that out flat then I put 1 or 2 on each cable . One does it because I rest the tank on the welded cable mount near the gooseneck Th cable then moves freely under the tank between the screws and the tank stays snug even though the contact points are greatly reduced & the rubber helps from scratching vibration etc .I took a photo of a demo kinda brite "the flash went off" but if you look close you'll get the idea
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File Type: jpg demo.jpg (42.1 KB, 51 views)
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  #827  
Old 11-28-2013, 03:08 PM
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

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Originally Posted by Dave31 View Post
Here is a little tip that has been useful for me at times.

After measuring my front wheel I always write down the code on my speedo just in case it resets when I am out on the road and cannot remember what it was.
Now why didn't I think of that? Oh ya. You beat me to it. Thanks, Dave.
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  #828  
Old 12-02-2013, 05:34 PM
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bluegoatwoods bluegoatwoods is offline
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

Here's an easy and useful mod.

Choke.jpg

sorry about the poor quality photo. But it's a piece of aluminum strip cut to about 1 sq inch attached to the choke lever. I hope you can see how I fastened it. But even if not, you can figure something out.

This allows you to adjust your choke easily even with gloves on.

On an older bike of mine I arranged a cable and spring arrangement with a thumb shifter to open and close the choke. I liked it. But this is so much more simple and works just about as well.
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  #829  
Old 12-12-2013, 11:23 AM
slayer60973 slayer60973 is offline
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

This one's kinda anti theft/a-hole resistant. For quick release levers, take a couple paper clips and wrap then twist them around/through the hole in the end of the quick release if there is one around the front fork and rear frame tubes. I figured it might be handy cause most people don't carry wire snips with them. I'll upload pics in a little while. Ride safe guys.
Pics.

Tools needed, pretty simple http://s29.postimg.org/wd61gk8pj/20131212_115155.jpg

Un bend the paper clip and wrap around/through the lever and frame
http://s21.postimg.org/6zbtahtbr/20131212_115233.jpg

Twist it up and wrap the excess around the lever. I'd double wrap it justt in case. People can be heartless.
http://s11.postimg.org/fis7q1u9v/20131212_115402.jpg

And last but not least, my baby. She needs a name... :/
Been waiting for the top hat adapter for a month....
http://s10.postimg.org/i3yr3umax/20131212_115423.jpg

Last edited by slayer60973; 12-12-2013 at 12:21 PM.
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  #830  
Old 12-12-2013, 12:37 PM
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CTripps CTripps is offline
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

Quote:
Originally Posted by slayer60973 View Post
This one's kinda anti theft/a-hole resistant. For quick release levers, take a couple paper clips and wrap then twist them around/through the hole in the end of the quick release if there is one around the front fork and rear frame tubes. I figured it might be handy cause most people don't carry wire snips with them. I'll upload pics in a little while. Ride safe guys.
When I'm putting my quick release wheels back on, I line everything up and snug up the axle nut/qr lever until it will just barely close by hand. Then I open it up, give the axle nut another half turn or so and swing the lever over. At this point, I need to slide the box end of my 14MM wrench over the lever and use it to swing the lever to the locked position. It takes a lot more effort to pull a wheel off that way (and I have no worries about ever having a wheel coming off trying to make it on it's own).
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Any day that starts with a good ride is already a better day, and a bad day riding still beats a good day working.

My Builds: My Beast, Harley59's bike, my Cruiser
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