Junior
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Post by steve on Jan 19, 2014 5:00:29 GMT -6
The new bobber arrived today. The build quality is very good and she looks good! I still have some minor adjustments to make to the clutch and such, but she starts easily and sounds great. I took her for a quick test ride. The ridgid frame and springer will take a little getting used to. It's so good to be back on a bike again. I'm very pleased so far. I've installed a P-pad and today the 32 Ford tail light will go on. I've ordered a couple of other cosmetic parts and already have the sprocket to switch from 45T to 38T.
If any readers live in the DFW area, my blue 2012 YY250T is for sale. I've already done the high flow fuel pump and filter, CDI, coil, and spark plug update. Less than 500 miles; all in town. Also has LED brake and tail lights. Think maybe a grand?
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Junior
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Post by steve on Jan 19, 2014 4:41:58 GMT -6
The theves left the fuel petcock open. That filled the cylinder with fuel and also let a little drip into the oil. Today I was able to change the oil, charge the battery, and fill her with fresh fuel. She started right up the first hit of the starter! Quick test ride showed that they have just about finished the old axle, but I have the new one under the bed waiting. Other than that and the $92.50 key switch there seems to be no mechanical damage. With the stolen mirrors and the cosmetic damage the total cost to me will be about $200 bucks and now, several hours of labor in paint and such. I got lucky.
The first nice weekend that we have, I'll install that new rear end. The issue I'm having now, is finding a lift point aft of the center of gravity that isn't axle.
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Junior
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Post by steve on Jan 14, 2014 14:54:01 GMT -6
That I will, but I bought a D250 RTB_B chopper with springer front end, so I'll take a little time and get her set up first. Very similar to Tha Heist.
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Junior
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Post by steve on Jan 13, 2014 20:22:21 GMT -6
Update : Went to the hearing today. The trike is home. A little cosmetic damage and they destroyed the keyswitch. Shot an email off to rapidrepair for that part. It was a theft ring out of El Paso. I got lucky because they found it before they could run it into Mexico.. All 3 were guests here posing as a construction crew. The stolen trailer had $3k-4k worth of stolen property in it plus my trike. Owners of the contents didn't claim their stuff so the owner of the trailer got to keep it all.
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Junior
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Post by steve on Jan 12, 2014 18:00:55 GMT -6
Thanks for that info. I, of course, got side tracked by the little bobber. Still think that in that price range, the TBX EFI is one of the best values. I am looking forward to the design changes this spring.
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Junior
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Post by steve on Jan 11, 2014 9:10:22 GMT -6
Since this thread seems to wander a bit, I thought I would post this graph of unmodified production top speed motorcycles from Wickpedia. I was wondering what motorcycles that used springer front ends were running as average speeds before the advent of oil filled forks and found this. Notice the dramatic increase between about 1910 and 1915? Those must have been such exciting times for bikers! Although bobbers did not become popular till after WWII, that may be why I like that vintage look so much.
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Junior
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Post by steve on Jan 11, 2014 7:34:28 GMT -6
Hey, I just reread the part about the reduction in port size and this thought comes to mind. When you reduce the diameter of the "pipe" from 3" to 1" and the input pressure remains the same, the venturi effect comes into play like putting a nozzle on a hose. I wonder if the increase in pressure and speed has any effect, good or bad, on performance? That would assume that a manifold that adapts the two diameters is used rather than a direct bolt on where turbulance is created at the intake port. First guess is that it might lean out some?
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Junior
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Post by steve on Jan 11, 2014 7:20:12 GMT -6
Thanks, JR! Only did the 30mm on the trike to upgrade to a pumper and better quality. Used his kit with the manifold included. It really made a difference for me. Not so much in power, but it seemed to eliminate the mid range flat spot the other had. Would have gone with a 24mm if he had one.
As I understand it, most versions of this bobber come with a 24mm pumper that need to be rejetted. The springer is suposed to be 30mm pumper with manual choke already, but I have been impressed with the quality of Scrappy's carb. It's most likely a waste of money, but to me, a balance between intake, ignition, and exhaust are the heart of the matter. I leave the block alone. I always try to upgrade the carb, CDI, fuel pump/filter, and coil to the best quality I can afford. I usually gain a little performance, If you change the oil when you should and don't over rev, the block will not be what fails on the road. The Chinese clones are pretty much just nice, affordable rides so trying to squeeze every last drop and power out of one would probably cost what a good used japanese bike or even old Sportster would. Of course there is the fun factor and challange of trying to hot rod the clones and mistakes don't cost as much.
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Junior
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Post by steve on Jan 11, 2014 1:36:20 GMT -6
So here is my tech question. I have Scrappydogs 30mm performance carb on my Ice Bear Viking 150cc engine and am very pleased with the way it performs. I would like to install the same carb on my Bobber. It has a 229cc Honda clone engine. Will I need to re-jet up?
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Junior
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Post by steve on Jan 10, 2014 17:17:39 GMT -6
Use DX and Meritline both, but Banggood seems to have much better service. I would lay more blame at the hands of the freight co. They are the ones who have the final control once it's in the truck. either way, if it was all good, all the time, we wouldn't need preacher and counselors.
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Junior
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Post by steve on Jan 10, 2014 12:22:22 GMT -6
I lived in Ellis County, TX. We had a 1 lane wood bridge with a 90 degree turn on each end and no guard rails. It was about a 12' drop to the water. Clearly marked but at least once a month a del truck would get hung up there.
That's also where I learned that wet wood and bikes are a very bad mix. I think I put an a** hickie on the seat. Anyone one who rides has had one of those "God, this gonna hurt" moments.
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Junior
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Post by steve on Jan 9, 2014 7:41:04 GMT -6
This is a good source for generic parts for scooters or bikes:
Just for general info. There is a vendor called banggood.com out of China that has a lot of stuff for motorcycles. It's mostly cosmetic and generic. I've ordered several times and the quality has always been good, as is the service. It does come from a warehouse in China so there is the usual delay in shipping. Just do a search on their site for "motorcycle"
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Junior
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Post by steve on Jan 8, 2014 12:14:10 GMT -6
Just received an email from BMS. The TBX EFI is out of stock until Spring.
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Junior
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Post by steve on Jan 7, 2014 17:10:01 GMT -6
Just a quick update. The vendor I ordered from and I had a little comm gap in the ordering process and they are shipping me the more expensive B version with the springer front end at the same price as the A version. I wanted the springer version anyway so I am very pleased with service. Order was placed on 01.03 and it ships tomorrow 01.08.Chad at extremescooters.biz has been very good.
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Post by steve on Jan 6, 2014 4:49:38 GMT -6
27yankees, I am so sorry about how far off track this thread has gotten! A note to Admin: Is there a place on this forum for a bike like this? Maybe we need a category for Chinese Motorcycles? They seem to share some of the same parts and mfg as the scooters and ATV's. Please feel free to move the DR250 RTB Chopper series to wherever you feel it belongs.
To our many fine sponsors. I have noticed that there aren't many sources for aftermarket parts for these bikes. It might be a good business opportunity?
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