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Post by jhbietz on Feb 1, 2011 9:29:29 GMT -6
I am starting my engine swap project and I know that I'm going to need a different back rim as the splines are much bigger on the 250. I'm wondering what the correct size rim is on a CFMOTO style 250cc. Any help in locating one would also be very appreciated.
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Scooter Doc
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Post by mcalli on Feb 4, 2011 19:29:32 GMT -6
since most chinese 150 scoots are air cooled, how can you put a 250 cc on one. Will you have to add a radiator and a whole bunch of other stuff?
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Post by jhbietz on Feb 4, 2011 22:15:39 GMT -6
Yep. Got a radiator and fan for 45. 00. I am going to use hard copper and short pieces of hose to hook it up. Will post picks as parts come in. I also had to order a new rear wheel and swing arm..
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Post by jhbietz on Feb 9, 2011 19:54:35 GMT -6
new wheel came today. Did a test fit and no luck. Turns out the engine I have was not for a scooter. The drive shaft is only has the splines doing down about 2". Must have ben for a ATV or something like that. Found the correct one. Hopefully will be hear in a few days.
Next problem. I'm going to need a top quality tire. The back rim is only 10" so I don't want to cut any corners. Suggestions on bran and size would be appreciated.
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Post by jhbietz on Feb 10, 2011 6:59:46 GMT -6
Its to bad those ebay tires won't fit. With 2 red tires on a red scoot I would have ben so fast I wouldn't have even needed to upgrade to a 250!
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Post by justguy1 on Feb 10, 2011 12:21:53 GMT -6
I really thought about doing this, since my scooter is a touring scooter and thought about one day upgrading it.. but then I figured with all that work I might as well just sell my scooter and buy a 250cc..
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Post by jhbietz on Feb 10, 2011 14:39:06 GMT -6
It would sure have ben easier! There are several reasons I chose to do it this way.
1) My tank is in beautiful shape. Just got it last summer.
2) I have already done many upgrades including a very nice stereo.
3) if I bought a 250cc with a CN style motor I would still have to rebuild the cooling system anyway.
4) I'm going to keep the 150cc markings on it just to mess with people.
5) Just for the heck of it! I enjoy having a good project for the winter.
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Post by jhbietz on Feb 12, 2011 7:35:33 GMT -6
Sorry I have not yet posted pictures. At this point I'm still collecting parts for the swap. Most of my shop time has ben spent working on the 50cc custom I'm building for a friend will be putting up more picks as I get into the actual swap. This is the actual engine. Its a brand new CFMOTO I bought off Ebay for $420 delivered. Attachments:
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Doc's Anything Goes
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Post by rapidjim on Feb 12, 2011 8:08:30 GMT -6
Too bad you don't need 13" I have a nice set of Kendas sitting here.
Good Luck with your project and keep us posted
Jim/Owner
Rapid Repair
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Post by jhbietz on Feb 12, 2011 11:50:38 GMT -6
The new drive axle came in the mail today. The correct one is on the right. You can see the problem. If I was sharper on these 250s I would have known as soon as I got the motor that I had a problem. RapidJim, Yea, I wish I could use a bigger rim. To me that's the biggest down side of the Honda style motor. I took a look at the carb. Not sure I want a manual choke on this bike. Weather permitting this is my daily transport so I like the ease of an auto choke. Attachments:
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Doc's Anything Goes
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Post by rapidjim on Feb 13, 2011 9:41:10 GMT -6
I know what you mean. Some folks like an auto, some like a manual choke. Sorry but the auto choke style is out of stock. Very fast moving item.
Jim
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Post by jhbietz on Feb 17, 2011 11:25:42 GMT -6
Still waiting for parts but I started building the cooling system. The stock setup with one little radiator behind the gas tank sucks so I'm using a Helix radiator mounted in the front. First problem.. This brace is in the way. Its gotta go. I plan on making the radiator mounts heavy enouf to take its place. Attachments:
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Post by jhbietz on Feb 17, 2011 11:29:24 GMT -6
Brace removed. Attachments:
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Post by jhbietz on Feb 17, 2011 11:33:59 GMT -6
Now I need to mod the radiator top hose connection so that it points the rite direction. Attachments:
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Post by jhbietz on Feb 17, 2011 11:37:31 GMT -6
First I have to shorten the outlet for clearance. Attachments:
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