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#631046 - 12/21/15 2:56 pm Re: 71 650 vs 750 OIF Triumphs [Re: Dibnah]  
Joined: Oct 2012
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Hillbilly bike Online content
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Hillbilly bike  Online Content
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Running from demons in WNY
Yes, the OIF bikes do have very good handling then and now...And a very stiff ride.....

Do this test, making sure all the yoke pinch bolts and fork tube top nuts (drum brake)are tight. Then straddle the front wheel and while holding your legs tight against the wheel, try to wiggle the handle bars back and forth...
They move quite easily... lots of flex in the fork assembly...And the friction of the forks in the sliders is considerable because of the flex and design not using bushes.
I'm not saying the OIF forks don't do the job...But I see more than a few OIF's with no front ends and seats laying around for cheap money...




650 Triumph modified production LSR record holder 133.1 MPH... Twin 650 engine Triumph LSR that goes sorta fast...
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#631069 - 12/21/15 5:20 pm Re: 71 650 vs 750 OIF Triumphs [Re: RetroRod]  
Joined: Nov 2008
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desco Online content
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desco  Online Content
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Bishop, Calif.
RR
Like the gaiters. Always wanted to do that. Kept hearing to use Norton gaiters. What did you use?.
Just had my tank and front fender pinstriped in black at the color separation. Really made it pop.

Last edited by desco; 12/21/15 5:28 pm. Reason: spelling

1968 T120R
1972 T120RV
Any advice given is without a warranty expressed or implied.
#631070 - 12/21/15 5:38 pm Re: 71 650 vs 750 OIF Triumphs [Re: Hillbilly bike]  
Joined: Mar 2006
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raf940 Offline
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raf940  Offline
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gastonia nc
ok will trot this pic out again had this bike 8 years now still a thrill to ride..


72 engine with plunger 4 speed 73 frame bits and pieces

Last edited by raf940; 12/21/15 5:39 pm.

1972 Triumph T120
1968 BSA A65
1968 MGB Roadster
1979 Chevrolet Camaro Berlinetta
1969 Honda Mini Trail
1939 farmall f30 tractor
2004 Honda Shadow Aero
1972 BSA Thunderbolt
1975 yamaha xs650b
1972 Norton commando project
#631072 - 12/21/15 5:42 pm Re: 71 650 vs 750 OIF Triumphs [Re: raf940]  
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raf940 Offline
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gastonia nc
here's calvin's 72 A65T with its new paint job


1972 Triumph T120
1968 BSA A65
1968 MGB Roadster
1979 Chevrolet Camaro Berlinetta
1969 Honda Mini Trail
1939 farmall f30 tractor
2004 Honda Shadow Aero
1972 BSA Thunderbolt
1975 yamaha xs650b
1972 Norton commando project
#631086 - 12/21/15 8:18 pm Re: 71 650 vs 750 OIF Triumphs [Re: raf940]  
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RetroRod Offline
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QLD, Australia
Originally Posted By raf940
ok will trot this pic out again had this bike 8 years now still a thrill to ride..


72 engine with plunger 4 speed 73 frame bits and pieces


Have commented favourably on this bike before Raf, this is a tastefully modified ride and if the factory had produce it, the'd have been popular.

Last edited by RetroRod; 12/21/15 8:19 pm.

'72 Bonneville
"He who praises you for what you lack wishes to take from you what you have." - Don Juan Manuel
#631088 - 12/21/15 8:24 pm Re: 71 650 vs 750 OIF Triumphs [Re: desco]  
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RetroRod Offline
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QLD, Australia
Originally Posted By desco
RR
Like the gaiters. Always wanted to do that. Kept hearing to use Norton gaiters. What did you use?.


Yes Desco, the Norton gaiters fit.
Don't buy from anywhere other than Andover Norton. There is a lot of sh$tty products out there and I've had them shred in 12 months. Given the effort to fit them, one wants them to last awhile. smile


'72 Bonneville
"He who praises you for what you lack wishes to take from you what you have." - Don Juan Manuel
#631090 - 12/21/15 8:38 pm Re: 71 650 vs 750 OIF Triumphs [Re: RetroRod]  
Joined: Mar 2006
Posts: 3,648
raf940 Offline
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raf940  Offline
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Joined: Mar 2006
Posts: 3,648
gastonia nc
thanks retrorod....those are Norton gaiters on my bike but I have since put 60s headlite ears and gaiters on it


1972 Triumph T120
1968 BSA A65
1968 MGB Roadster
1979 Chevrolet Camaro Berlinetta
1969 Honda Mini Trail
1939 farmall f30 tractor
2004 Honda Shadow Aero
1972 BSA Thunderbolt
1975 yamaha xs650b
1972 Norton commando project
#631113 - 12/21/15 10:58 pm Re: 71 650 vs 750 OIF Triumphs [Re: Rob Harper]  
Joined: Dec 2001
Posts: 47
Bob Scogin Offline
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Bob Scogin  Offline
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Posts: 47
Lacombe, LA USA
Originally Posted By Rob Harper
inside every '71 there is a Triumph yearning to be free



Love those pipes. Can you tell me who supplied them, or did you fabricate them?

Bob

#631116 - 12/21/15 11:10 pm Re: 71 650 vs 750 OIF Triumphs [Re: gioleo123]  
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Zombie Offline
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Florida PanHandle
Mr. Triles just showed me a set of pies with those lines. I love them!!!
His were singles (I believe) not two into one but the line across the engine, and then that subtle jog down is SWEET.

You fellas sure have some beautiful machines going in this thread!

#631168 - 12/22/15 9:40 am Re: 71 650 vs 750 OIF Triumphs [Re: Bob Scogin]  
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Rob Harper Offline
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Rob Harper  Offline
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Blue Ridge, Georgia, USA
Bob, the pipes came from Armours in UK, the muffler came from JC Whitney

#631169 - 12/22/15 9:50 am Re: 71 650 vs 750 OIF Triumphs [Re: RetroRod]  
Joined: Nov 2010
Posts: 2,800
kurt fischer Online content
#irideslow
kurt fischer  Online Content
#irideslow

Joined: Nov 2010
Posts: 2,800
Arlington, Massachusetts, USA
Originally Posted By RetroRod
Yes Kurt, this is as good as it gets for the BSA. I'd own it in a heartbeat. RR


Thanks, RetroRod, with the mild weather here I'm able to work in the garage getting the BSA back together, might even get it running before 2016.

Lots of nice OIFs here ...


Kurt
1968-70-71 Triumph TR6R Bitsa - 1969 Triumph TR6R - 1971 BSA A65L - 1973 Triumph TR5T
2005 Ducati MTS 1000S DS - 2012 Ducati Hyper 796 - 2014 Kawasaki ZX1000
#631762 - 12/26/15 2:26 pm Re: 71 650 vs 750 OIF Triumphs [Re: gioleo123]  
Joined: Apr 2015
Posts: 317
Dibnah Online content
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Dibnah  Online Content
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Posts: 317
UK
Another black 650 OIF


#631814 - 12/26/15 8:53 pm Re: 71 650 vs 750 OIF Triumphs [Re: Dibnah]  
Joined: Aug 2001
Posts: 6,672
Jon W. Whitley Online content
Jon W. Whitley  Online Content



Joined: Aug 2001
Posts: 6,672
Vermont
Nice Dibnah, now let's see some more pics of that bike when you get a chance !


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project

#631815 - 12/26/15 8:58 pm Re: 71 650 vs 750 OIF Triumphs [Re: Rob Harper]  
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RetroRod Offline
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RetroRod  Offline
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QLD, Australia
Originally Posted By Rob Harper
Bob, the pipes came from Armours in UK, the muffler came from JC Whitney


These fellows are a good supplier of engine pipes. I recommend them also. RR


'72 Bonneville
"He who praises you for what you lack wishes to take from you what you have." - Don Juan Manuel
#631817 - 12/26/15 8:59 pm Re: 71 650 vs 750 OIF Triumphs [Re: Dibnah]  
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RetroRod Offline
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QLD, Australia
Originally Posted By Dibnah
Another black 650 OIF



Not much of it to see, but I'd like to be with you on that quiet country lane!! RR


'72 Bonneville
"He who praises you for what you lack wishes to take from you what you have." - Don Juan Manuel
#631825 - 12/26/15 9:47 pm Re: 71 650 vs 750 OIF Triumphs [Re: gioleo123]  
Joined: Aug 2001
Posts: 4,196
Mark Z Online content
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Mark Z  Online Content
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Posts: 4,196
Owego, NY, USA
Putting aside the idiosyncrasies of particular model years and getting back to a comparison of a 650 four-speed vs. a 750 five-speed,

I've never owned either of these, but I've ridden both, a '71 briefly, and a '76 extensively. (How does that happen? I did a complete mechanical overhaul on a '76, had it in my garage for over a year, did many test rides, and borrowed it for two poker runs.) I've also ridden a few other Triumphs that I've worked on, including a '72 650 five-speed, but the bulk of my Britbike riding experience has been astride an A65.

My impression of the T140 (and I should mention that we dropped two teeth on the wheel sprocket) was that, much more so than any of the 650s I've ridden, it ranked as a viable highway cruiser. That is, it felt like it could cruise all day long at 70-80 mph without breathing hard.

My impression of the '71 Bonnie was: Smooth, agile, comfortable, and just plain fun - more enjoyable than the T140 at lower speeds on the back roads.

So I think it depends in large part on what kind of riding you do. The owner of the '76 T140 regularly went on 4-5 hour highway jaunts with modern cruisers, and the T140 was well suited for that purpose. But for bopping around locally, I'd rather be on the 650 (or on my A65!)


Mark Z

'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
#631829 - 12/26/15 10:31 pm Re: 71 650 vs 750 OIF Triumphs [Re: Mark Z]  
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RetroRod Offline
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RetroRod  Offline
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QLD, Australia
Originally Posted By Mark Z

So I think it depends in large part on what kind of riding you do. The owner of the '76 T140 regularly went on 4-5 hour highway jaunts with modern cruisers, and the T140 was well suited for that purpose. But for bopping around locally, I'd rather be on the 650 (or on my A65!)


Sensible observation bro. Fair to say I too have no immediate comparison between the 4 or 5 speed gear box. I owned these old turds when they were all 4 speed and superbikes. I had no complaints wherever I rode.

Now with my '72 T120RV, I have travelled long distances (1900 miles) a few years ago, but mostly average 3-4 hour journeys on country highways and byways now.

With its present gearing 20 x 47 I am inclined I want a 6th gear smile So much so, I am going to the trouble of a 21 tooth gearbox sprocket (I weigh 76kg, and never ride 2up) so taking off with a slipping clutch is not going to happen.

This gearing will have me at the highway limit here of 60mph at about 3500rpm. I'm expecting this is going to be all good for me and the old bitch, so with 5 gears, and willingness to use them, the old turd will not struggle.

I like this OIF (I've got the low seat model), its light and nimble, and easy to maneuver for parking.

Whilst the '69 T120 seems to get hearts beating faster, I think the '72 T120 (with many cosmetic changes) is an altogether better bike. smile

[img:center][/img]


'72 Bonneville
"He who praises you for what you lack wishes to take from you what you have." - Don Juan Manuel
#631832 - 12/26/15 11:10 pm Re: 71 650 vs 750 OIF Triumphs [Re: RetroRod]  
Joined: Aug 2014
Posts: 1,315
Triless Online content
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Triless  Online Content
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Posts: 1,315
OZ
A nice, clean Triumph, RR.

#631855 - 12/27/15 12:54 am Re: 71 650 vs 750 OIF Triumphs [Re: Triless]  
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RetroRod Offline
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RetroRod  Offline
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QLD, Australia
Originally Posted By Triless
A nice, clean Triumph, RR.


Thank you mate, I'm chuffed.

The great thing is there are so many good looking Trumpy's out there in all of ther presentations. Just amazing what owners are doing with them to suit individual tastes.

Happily it all makes for a solid demand for bits and pieces from which we all benefit.

We do have the US to thank for the many that are still around for which I say "God Bless America". RR


'72 Bonneville
"He who praises you for what you lack wishes to take from you what you have." - Don Juan Manuel
#664010 - 08/15/16 2:14 pm Re: 71 650 vs 750 OIF Triumphs [Re: gioleo123]  
Joined: Sep 2013
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gioleo123 Offline
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gioleo123  Offline
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Posts: 53
New York
Hi, Guys
I know this thread is a few months old but I figured I just add a conclusion. I never ended up with the purchase of the bike as originally mentioned.
But... this weekend I did pick up a super clean, time capsule 4 speed 71 Bonneville from the original owner with paint and chrome that just sparkle. Would love to post some pictures, not sure how without a photo posting site. The story with the bike: a scary, near accident led to the original owner pushing the bike into a heated storage room in his home back in 76 and there it sat covered and untouched with 1398 original miles. A real nice guy. Anyway after some emails and a little haggling I was finally able to tow it home this weekend.
I will start a new thread sometime soon RE: how to resurrect this bike after its 40 year nap.
I appreciate all the thoughts and shared experiences on the '71 Triumph positives and negatives. In the end my heart won out and I bought an absolutely gorgeous Bonneville, at least in my eyes.
Thanks and please follow the new thread as the advice received on this board is always very much appreciated.
Regards, Giovanni
Quick PS. Regarding the ride height issue, with my 30" inseam I am able to reach level floor quite comfortably. I think the height issue with this particular model has been a bit exaggerated, as it feels maybe 1" taller than my previous stock '77.

Last edited by gioleo123; 08/15/16 2:18 pm.
#664017 - 08/15/16 3:32 pm Re: 71 650 vs 750 OIF Triumphs [Re: gioleo123]  
Joined: Sep 2013
Posts: 1,583
quinten Online content
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quinten  Online Content
BritBike Forum member

Joined: Sep 2013
Posts: 1,583
Pacific northwest

Quote:
Would love to post some pictures, not sure how without a photo posting site.

Craigslist will host pics for free with any ad .
Whats a fair price ... $30,000
.

#664052 - 08/15/16 9:15 pm Re: 71 650 vs 750 OIF Triumphs [Re: gioleo123]  
Joined: Apr 2015
Posts: 181
ken sak Offline
BritBike Forum member
ken sak  Offline
BritBike Forum member

Joined: Apr 2015
Posts: 181
queensland australia
Originally Posted By gioleo123
Hi, Guys
this weekend I did pick up a super clean, time capsule 4 speed 71 Bonneville from the original owner with paint and chrome that just sparkle. there it sat covered and untouched with 1398 original miles. I appreciate all the thoughts and shared experiences on the '71 Triumph positives and negatives. In the end my heart won out and I bought an absolutely gorgeous Bonneville, at least in my eyes.
Quick PS. Regarding the ride height issue, with my 30" inseam I am able to reach level floor quite comfortably. I think the height issue with this particular model has been a bit exaggerated, as it feels maybe 1" taller than my previous stock '77.

I had a 71-650 ,great bike ,some say one of the fastest.
the seat height had been lowered by previous owner and
uncomfortable on 600 mile round trip until I made a custom
ductail type café racer seat
the conical hub front brake needs the arms that goes onto
brake shoe cams removed and longer ones made to get more leverage and welded on- makes for more progressive/ softer
lever pressure ,I did that to mine when a girl bought my bike. I could get the front wheel to half lock when a car pulled out in front of me at 70mph before the mod but it required a lot of lever pressure

I came in on the end of this thread, repeated advice

Last edited by ken sak; 08/15/16 9:59 pm.
#664144 - 08/16/16 3:42 pm Re: 71 650 vs 750 OIF Triumphs [Re: ken sak]  
Joined: Apr 2015
Posts: 317
Dibnah Online content
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Dibnah  Online Content
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UK

Another country road


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