Front end swap, Rebel to Twinstar.. - Page 2 - Honda Rebel Forum
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post #11 of 36 Old 12-27-2018, 10:35 AM Thread Starter
 
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Quote:
Originally Posted by JerryH View Post
I have always removed the reflectors from bikes if possible.
I actually prefer drum brakes on the front of lightweight bikes just for their looks. I wish it were possible to put a Nighthawk 250 front wheel on a Rebel.
Since I don't need reflectors for our State Inspection, I'm not concerned about them, yet. If I do decide to mount some they will be on the frames down tube. There is a Honda piece for this, can't remember what bike it comes off of?
I also like the look of a drum, but wanted something different. I thought since the Twinstar and the Rebel are almost the same bike, I'd try a front end swap. (Twinstar being the grandfather of the Rebel.)
Why the Night Hawk wheel, is it to convert to a drum brake? Sounds do-a-bal. Hub the same size? Caliper mounts shouldn't interfere... Would you change the forks? This might solve any mounting problems...

1980 Twinstar CM200T
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post #12 of 36 Old 12-29-2018, 12:45 PM
 
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I think the reflectors you're talking about for the front down tube is from a CM400 A, E, T or C from 79-81. You can still buy the parts new but only piece by piece, you can find the assembly on ebay https://www.ebay.com/itm/80-HONDA-CM...ss!01960!US!-1

92 CB250 Nighthawk - partsbike
93 CB250 Nighthawk - partsbike
92 CB250 Nighthawk - project
78 CB400T - partsbike
81 CM400C - Project, on the road
73 CB750K3 - Long term project
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post #13 of 36 Old 12-30-2018, 09:20 AM Thread Starter
 
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Originally Posted by Alan F. View Post
I think the reflectors you're talking about for the front down tube is from a CM400 A, E, T or C from 79-81....[/url]
Yes, that's one solution I was considering.

1980 Twinstar CM200T
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post #14 of 36 Old 01-03-2019, 07:51 PM
 
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Quote:
Originally Posted by JerryH View Post
I wish it were possible to put a Nighthawk 250 front wheel on a Rebel.
It is very possible. All you need is the triple trees, forks, brake lever assembly, and axle from the Nighthawk 250.

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post #15 of 36 Old 01-04-2019, 08:45 AM Thread Starter
 
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Shadow Shack, is that bike considered a Bobber or a Rat bike? Looks like you've put some time into making the mods.
Cool looking ride.

1980 Twinstar CM200T
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post #16 of 36 Old 01-04-2019, 08:33 PM
 
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Definitions:

> performance increase coupled with weight loss = bobber

> spending little to nothing on modifications = rat bike

In other words, the bobber is the motorcycle equivalent of hot rods while rat bikes are simply works of shoddy craftsmanship using hand me down parts and/or miscellaneous objects (re: junk). In further words, the modern misinterpretation of a bobber is actually a rat bike.

While I still haven't addressed the exhaust (it's not being left that way, not even on a dare) I have been fooling around with different intakes such as dual carbs and the larger CB250 Nighthawk carb. I've shed some weight and bobbed both fenders, so while it matches the definition of a bobber I simply prefer calling it my "roadster"...mostly because I do not wish it to be associated with the modern misinterpretations. :P

Considering how it's a 97 model with 80's vintage covers and numerous CB250 Nighthawk parts, it could also be accurately described as a "frankenbike".

"Ride Safe, Chop Safer" Motorcycles are not unsafe. However; they are extremely unforgiving of inattention, incompetence, ignorance, and stupidity.
Dismantling, sawzalling, and rattle canning does not make a bobber.
Those are STEPS toward customizing, not customizing unto itself.
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post #17 of 36 Old 01-05-2019, 10:30 AM Thread Starter
 
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Shadow Shack, in no my was I implying that the work was shoddy. So I will retract any "Rat Rod" implication(s). Yes, it looks more of a Bobber style. Roadster and Franken Bike fit it very well. I like where you've gone with it. Best of luck with the Carb Mod, doesn't sound like an easy swap type thing.

1980 Twinstar CM200T
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post #18 of 36 Old 01-05-2019, 11:42 AM
 
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I never took it that way.

The front end swap wasn't difficult. I was fortunate enough to acquire the bike with the front end, however the mounting was not compatible as the steering stem is a tad too long for the Rebel frame. I fabricated a spacer to take up the gap, ultimately I would prefer to thread the stem some more to get it properly tightened.

The bike was actually far more Nighthawk than Rebel when I acquired it...the prior owner bought it in "project status from a guy that sold it to him as an untitled/not running "Rebel Bobber" with no bodywork. Unbeknownst to the PO it was actually a CB250 Nighthawk but thinking the seller knew what he was talking about, he bought a titled Rebel frame and some bodywork but never got it running. I simply made it all work, yanking the Nighthawk wiring harness out and replacing it with a Rebel harness with working components.

Funny thing, while the motor is exactly the same between both bikes, the Rebel and Nighthawk use different wiring harnesses with different components. I find it odd Honda would do that...
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post #19 of 36 Old 01-06-2019, 09:56 AM Thread Starter
 
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Honda did a more than a few strange things when it comes to wiring. Most confusing thing is that they changed color codes over the years. Main wires have stayed the same colors but the component colors have changed. A number of different colored wires in the same circuit. They added diodes, clutch and side stand switches; more fuses, ignition relays and IMO other un needed stuff.
I use a number of different wiring diagrams to determine what is what. (80-81 Twinstar service manual, 85-87 CMX, 96-09 CMX color diagrams.)
I've decided to use a Rebel wiring harness for my modification. This will make it easier to connect the hand controls for one thing. I've removed most of what I call the un needed wires. Twinstar only has one coil, so more wires to get rid off. Neutral light had a number of different colored wires, it's been narrowed down to one. The ignition switch (key) is causing some head aches, Rebel had far to many "things" for the ignition. It's going to take some re wiring for this switch.
Sub harness for the rear lights is basically the same, so I can leave that alone.
Yes, there will be some that say the un needed components are safety systems. They maybe a good idea for novice riders, but I don't like them. I know to put my bike in neutral and engage the clutch when starting the bike. Can't say I've ever taken off with the kick stand down..

1980 Twinstar CM200T
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post #20 of 36 Old 07-10-2019, 09:54 AM Thread Starter
 
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Conversion Completed. A 2006 Rebel front end installed on a 1980 Twinstar. Converted to 12 volts, using LED lights.

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cm/cmx front end swap, front end swap cmx/cm, rebel front end on cm250

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