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Motorized Bicycle General Discussion All topics regarding bicycles with engines.

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  #2501  
Old 11-05-2011, 02:45 AM
happycheapskate's Avatar
happycheapskate happycheapskate is offline
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Default Re: what did you do to your motor bike today?

I had a territorial dispute with my wife hahaha, but I finished building her motor bicycle, and picked up all my tools, and left no grease or trash anywhere.

This is a sexy bike! I think she will feel better after sleeping it off and getting a leg over this machine!

Wife's first motor bicycle, looks good! - YouTube
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1" roller Dax Friction Drive and Tanaka 3300 with mods.

Last edited by happycheapskate; 11-05-2011 at 02:48 AM.
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  #2502  
Old 11-05-2011, 06:03 AM
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DaveC DaveC is offline
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Default Re: what did you do to your motor bike today?

Got a new to me bike, a Dynacraft West Coast LTD. 24"x3" tires front and rear. No front brake and a Shimano coaster brake on the rear with posts for the hand brake setup. I put the Italjet expansion chamber on my Morini S5 E, the motor sits like it was made for the bike I don't like the bicycle style handlebar stem so I'll be making a riser kind of mount from aluminum plate. The LTD has straight drag bike handlebars and I'll be changing those to pullbacks. I have what's called encapsulated adheasions in my shoulders that limit my ability to lean over and strech to reach the bars. Another reason for risers and pullback bars is clearance for the Paughco Porkster tank. 3.5 gallons means waaay more fuel than can be burned in a full days riding.

One nice thing, I bought a set of pinapple sprocket adapters a while back. They didn't fit the bike I bought them for. Almost had them sold but the deals fell through, good thing. They fit like a glove on the LTD. It will be so nice not to depend on a rag joint for rear drive. I will also be using a halfshaft with a possible reduction of a 10-14 tooth halfshaft going to a 44 sprocket. With the 24" tire it should put me in the power range of the Morini. The S5 E is not the most powerful of the Morini's, in fact it might be the lowest at 3.x but the Italjet pipe and a 15mm Dellorto should put out around 4 hp. Best thing about it is the iron cylinder that allows a bore on a rebuild and replacement pistons are avalible on eBay and other places. The motor for it's age is in great shape, though, it looks barely broke in
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  #2503  
Old 11-05-2011, 10:23 PM
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KDB KDB is offline
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Location: Maryland
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Default Re: what did you do to your motor bike today?

Quote:
Originally Posted by Wm Holden View Post
New Mirror and a small tailpipe to quiet the beast.






full rez

http://trybridbicycles.com/hybridbic...pperFinal5.jpg
Sexy beast.

Gotta get me some saddle bags.
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  #2504  
Old 11-05-2011, 10:32 PM
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rustycase rustycase is offline
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Join Date: May 2011
Location: Left coast
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Default Re: what did you do to your motor bike today?

Whew!

DaveC is takin care of bidness!
I must have fell in with the Jagermeister crowd.

I saw my motorized bicycle 2day!
didn't touch it...:-(

tried to use a peanut tank on my Econoline...
rc
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  #2505  
Old 11-05-2011, 10:39 PM
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Dirt Road Cowboy Dirt Road Cowboy is offline
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Location: Tyler Texas
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Default Re: what did you do to your motor bike today?

I put on a new fuel line, inline filter and new CDI from LEB.

Still no bang!
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  #2506  
Old 11-06-2011, 01:08 AM
vincent713 vincent713 is offline
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Default Re: what did you do to your motor bike today?

Today I mix new oil purchase from Autozone 32:1 premix with 1 gallon of gas. It runs like shyt! I can barely get up to 20mph full throttle! Time to go back to the more expensive oil. What a waste of gas...
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  #2507  
Old 11-06-2011, 01:27 AM
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DaveC DaveC is offline
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Default Re: what did you do to your motor bike today?

Quote:
Originally Posted by Dirt Road Cowboy View Post
I put on a new fuel line, inline filter and new CDI from LEB.

Still no bang!
Two things come to mind. First is did you check out the plug to see if it is any good? 2nd if you get no spark it's very possible that the blue wire solder connection to the magneto is bad. There's a way to check this with an ohm meter. Search the site for info on how to check and repair. Was there a new wire on the CD? If it's the old wire that could be the problem, too. It's made in a toy factory from 6 pieces to replace what we do with 3. Failure rates are high for these pieces. sick bike parts has a good replacement plug setup and a nice NGK B6HS plug to go with it, although a B5HS might be better for the cold.

Oh, yeah, I ordered a 44 tooth sprocket today. Really the build needs to start from the rear sprocket so things can be lined up the best. I ordered button head M8 1.25 x 30 mm bolts from an English bolt house. Dumb bastiches sent me 1/4" NF SAE bolts! Not worth it to send them back. What a scam, they can send whatever they want and in my case I won't be ordering bolts online anymore, not with 3 bolthouses within 1.5 miles from here including a Fastenall place.

Last edited by DaveC; 11-06-2011 at 01:45 AM.
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  #2508  
Old 11-06-2011, 01:29 AM
5-7HEAVEN 5-7HEAVEN is offline
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Default Re: what did you do to your motor bike today?

Last month, I replaced my Armadillo 26 x 1.95 tires w/Schwalbe Big Apple 26 x 2.35 oversized tires. As soon as I rolled away, I knew something was very wrong. My motorized bicycle could no longer climb the steep ramp at work and the hill on the way home. The Schwalbes were 27 inches tall; the Armadillos were 26 inches. Although the gear ratios were raised only 4%, it was enough to cause problems. Carb settings had to be adjusted to help compensate. I needed to lower the gear ratios to compensate for taller tires.

Fortunately, I had a new 24t sprocket to replace my 30t bicycle chainring. This would result in a 25% gear reduction, offsetting the large tires' disadvantage. The 24t was installed in the exact position the 30t was in, so there'd be no chain jumping. The bicycle chain can be shortened, if need by.

First gear lowered from 37.09:1 to 46.32:1, a granny gear. The new second gear is now 39.55:1, which is lower than the original first gear. I used to cruise the streets in fifth gear, which was 18.55:1. Methinks I'll be spending time in seventh gear, which is 17.73:1. Eighth gear lowered from 12:1 to 15:1. This is an excellent gear for highway cruising.

The 24t install went quickly, then I rode 5 miles into town. It's the same route I bike to work, only a half-mile shorter. The bike ride was absolutely awesome! With the steep gears, carb response was crisper. Sure enough, seventh gear is where the engine wants to end up in.

The bike's fun factor has doubled; I can tell the engine enjoys it too.
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  #2509  
Old 11-06-2011, 02:54 AM
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happycheapskate happycheapskate is offline
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Default Re: what did you do to your motor bike today?

I rode the purple mtn bike I built for my wife. Good times. I rode it on the grassy field and did some donuts, then got some beer at the local beer barn. It rode like a cadillac, the foam tires were fun. At first they felt weird, but after running the back one through the wringer for about 10 minutes it got easier to turn and quit feeling "lumpy." Good ride. Wife will love it. She gets to try it out today.
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  #2510  
Old 11-06-2011, 05:34 AM
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DuctTapedGoat DuctTapedGoat is offline
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Default Re: what did you do to your motor bike today?

Those are those Amerityres, right HCS?
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