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Buell Forum » Buell Motorcycle Classifieds » Buell Motorcycles for Sale » Archive through November 30, 2016 » '70 XR750 Replica/Buell « Previous Next »

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Jagpor
Posted on Wednesday, September 07, 2016 - 04:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Replica XR750 chrome moly "low boy" frame by CRE Racing to '70 specs.
XB9 motor, Mikuni 42 carb, Dyna ignition
Buell Cyclone front end/brake
Progressive 400 series shocks
PM wheels, Brembo rear MC & caliper
Shorai lithium battery,,
digital wiring module all functions working, horn lights/brake, speedo, wired for signals. tabs for front fender present
Period correct bodywork, paint/decals, pipes, oil tank, pegs,tires, etc.
Street legal, registered as a Buell
Very light and agile, app. 310 lbs.
Would be competitive with lights removal but too pretty (local show trophy winner)
In Okla. USA
$18,000.00
70 Replica 1

70 replica 2
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Buelliedan
Posted on Wednesday, September 07, 2016 - 04:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Nice looking bike but calling it an XR 750 is a stretch IMO considering it does not have dual carbs or the exhaust on the correct side
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Jrobey7
Posted on Wednesday, September 07, 2016 - 05:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yea this triggered my " off" light
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Buelliedan
Posted on Wednesday, September 07, 2016 - 05:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Jrobey,

Was that post directed at me or at the OP?

(Message edited by buelliedan on September 07, 2016)
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Figorvonbuellingham
Posted on Wednesday, September 07, 2016 - 06:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm thinking you could buy an XR750 for $18,000
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Joe7bros
Posted on Wednesday, September 07, 2016 - 06:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Looks like Bonham's had a real one at auction in late 2014; $31,050 including premium. Plus there's a few here in the $29,000 to $31,000 range:https://motorcycles.smartcarguide.com/harley-xr750. I wonder what they smoke in Oklahoma
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Diem24
Posted on Wednesday, September 07, 2016 - 06:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Whats all the hate about this bike for? I actually think its pretty cool and looks a lot like the street tracker that I built using a lot of Buell X1 parts. Ill post pics later. It looks to me like the guy described it pretty well.... Replica. Hell, I probably have almost that in the one I built. Whether its priced at market or not, Id ride the fire outta that thing and smile while doing it.
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Firstbuell
Posted on Wednesday, September 07, 2016 - 06:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm with Diem24 - OP built this in his own, deliberate, personal interpretation of what a XR750 is

while I agree that the asking price is optimistic, the market will speak.....
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Reepicheep
Posted on Wednesday, September 07, 2016 - 07:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It looks like a nicely executed build.

"Replica" is perhaps a bit strong, and "Tribute" or "Modern Reinterpretation" might be less likely to offend.... but like you say, it's not claiming to be a real XR750, and I don't think anyone is being misled.

It is an expensive Sportster though. ; )
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46champ
Posted on Thursday, September 08, 2016 - 01:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hay it is closer to a 70 XR looks wise than you guys are giving him credit for. Remember the first XRs had Iron XLR heads with 1 Tillotson carb and drag pipes. This is a link to the 1970 Cycle Guide article.
http://www.harleykrxlrtt.com/library%20xr_xrtt.htm
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General_ulysses
Posted on Thursday, September 08, 2016 - 09:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Although I personally wouldn't clunk down $18k, I really like this bike. Very clean and lean looking with a real HD torque snorter, probably with more oomph than the original to back up the looks. I also really like the 310lb weight. That's over 200lbs lighter than Harley's XR1200 from a few years ago. That thing's gotta really jump when the throttle's wacked.
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Reepicheep
Posted on Thursday, September 08, 2016 - 09:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It's a 9, not a 12, so where it will be the most fun is howling out at 7200 RPM. Provided the Dyna ignition on it is set to let it rev that high. I assume that't the thing that implements the rev limit.

I wonder how the dyno compares for the Mikuni vs. the stock XB9 fuel injection? Fueling was really good with the stock injection.
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Phelan
Posted on Thursday, September 08, 2016 - 10:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

9 is suppose to rev up to 7600 RPM in stock form actually. The dyna ignition can cwrtainly be programmed for that, if it isn't already. I have no desire to ever own a carb'd bike again after experiencing the joy of tuning EFI without getting gas all over myself.
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Reepicheep
Posted on Thursday, September 08, 2016 - 10:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That was my thought also. People who like carbs probably haven't spent much time trying to tune and maintain them, especially in the age of ethanol.
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Jagpor
Posted on Thursday, September 08, 2016 - 04:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

1970 was the first year of xr750 and in fact was a small bore ironhead, single carb, with 40 inch kr style drag pipes with no brakes, 35mm ceriani forks, and 12 inch girling shocks, magneto ignition and of course no lights or title. There were 200 produced but the factory destroyed 100 of them due to overheating and motors failing. I think the valve seats would come loose in the heads. Factory came out with oil cooler and other fixes and finally gave up until the 72 aluminum head, dual carb came out. A local racer I know bought a 70 new, blew up the motor, turned into Harley for replacement but never got a motor back. He could have gotten a 72 replacement for extra dollars. He still has original bike but with a late 70s street 1000cc ironhead motor in it.
Maybe an "XB Streetracker with 70 XR750 Attitude" would be a better description of this bike. The frame, bodywork, pipes, etc. are accurate for 70 but modern motor,suspension and brakes. Yes, the ignition is set for 7500 and it rips.
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Drhach
Posted on Thursday, September 08, 2016 - 04:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've got EFI and carb'd bikes. I have to say that I still prefer carbs. I think it's just a familiarity thing. I really have no desire to own another EFI motorcycle. I will concede that tuning EFI is easier. But for whatever reason, I just like messing with carbs better. It gives me a feeling of having more direct involvement in the process I suppose.

Regarding the original topic, he guy did a beautiful job on that bike. I'm not sure it was an improvement over the Buell that it came out of, but still, it is gorgeous.
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General_ulysses
Posted on Thursday, September 08, 2016 - 05:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

EFI is more modern, more efficient and can be easier to tune when everything's working properly AND you have the knowledge required to tune them (which, like carbs, not everyone has).

BUT: (1) carbs don't throw codes, which often are not easily decipherable. (2) Old school carbs are not electronically controlled by a CPU, which can go bad and have problems of its own. (3) With EFI, fuel is delivered to the injectors via an electric fuel pump. If the fuel pump goes bad, the bike stops running. If you experience an electrical charging problem on the road (and who hasn't?), you won't have much time before the pump stops running and leaves you stranded. You can go a lot further on a carbureted bike before the ignition stops due to low charge. A carbureted bike receives fuel from a gravity feed system. It doesn't relay on electricity and, being gravity powered, is *very* unlikely to fail.

Also, in the case of newer Buells, its fuel pump is immersed in gasoline which is stored in the aluminum frame rails. The frame rails get hot in the summer because they encapsulate the big V-twin air cooled motor. So hot, the ethanol laced fuel can boil. That boiling ethanol is not good for the electric fuel pump, and is probably why fuel pumps are a fairly high failure rate item on Buells (commonly failing before 20K miles from what I have seen/heard).

Other than that, EFI is a joy. ; )

(Message edited by General_ulysses on September 08, 2016)
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Joe7bros
Posted on Thursday, September 08, 2016 - 06:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You know, if we go back to carbs, kick start only, and magnetos, the only thing we would need a battery and charging system for is lights!! (He said tongue in cheek)
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Drhach
Posted on Friday, September 09, 2016 - 11:41 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

"You know, if we go back to carbs, kick start only, and magnetos, the only thing we would need a battery and charging system for is lights!! (He said tongue in cheek)"

I resemble that remark. This bike starts and runs as well as any EFI bike I've owned or tuned. "EFI" is better, but I like carbs anyway. Kind of a Blondes versus Brunettes thing I guess.


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Reepicheep
Posted on Friday, September 09, 2016 - 12:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Back when the sporty was sporty! Lovely!
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Joe7bros
Posted on Friday, September 09, 2016 - 01:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Nice bike. XLH or just the tank?
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General_ulysses
Posted on Friday, September 09, 2016 - 01:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What would you rather have during a zombie apocalypse: EFI or carb? Choose wisely...


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Drhach
Posted on Friday, September 09, 2016 - 04:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It's an XLCH. I wanted longer range and am actually one of the few people who like the turtle tanks. So I swapped one of those out when I was rebuilding the bike.
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Firstbuell
Posted on Friday, September 09, 2016 - 06:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've never heard the term "Turtle Tank" before

ya, know, it was riding beside a university pal's '68 Sporty which led directly, 30 years later, to my Cyclone

so I owe your era's 883 a psychic debt.....
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Drhach
Posted on Friday, September 09, 2016 - 06:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It's fun to compare and contrast it with my S3. World's apart in many respects and very similar in others.
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