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| Maintenance Tips and Tricks for the T3 Classics Maintenance tips, tricks, performance suggestions and proven setups for the Hinckley Classic Triples. |
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08-03-2008, 04:44 PM
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#1 (permalink)
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Lifetime Premium
Site Supporter Pole Position Favourite Bike: 1996 Thunderbird "Nessie"
Join Date: Jun 2003
Location: Raleigh, NC , USA
Posts: 3,563 Other Motorcycle: 1973 Trump TR7RV "Loosie" Extra Motorcycle: 1968 BS 350 GTR "Smokie"
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Sprag Clutch Replacement
Here is a link from an earlier thread on failed sprag starter clutchs that shows step-by-step photos of the replacement process.
Hopefully, these photos will be useful when replacing a sprag.
Sprag replacement photos
Note: I didn't take these photos - but many thanks to the fellow T-bird owner that did.
[ This message was orginally submitted by: robsmoto on 2007-06-17 08:30 ]
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11-29-2008, 10:48 AM
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#2 (permalink)
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New Member
Newbie
Join Date: Nov 2008
Location: Long Island, New york
Posts: 3 Other Motorcycle: 1974 BMW R90/6 Extra Motorcycle: 1991 BMW R100
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Sprag clutch engine case grinding tool home made
I just finished doing a sprag clutch on a friend's Trident. Fortunately, he had a Canadian version that had the cover above the sprag and starter idler gear. I think the tool I made would work on any of the bikes with sprag issues. I am not a Triumph mechanic and this is the first Triumph that I have ever worked on. It worked for me and just thought I would share it so there is more information out there. I had trouble getting instructions how to do it so I figured it out myself. Some people used a dremel, some used a sharp screwdriver and scraped the casing away. This cut a perfect circle (centered with the shaft bearings) and did it within a minute. I hope this helps someone out there. I realize that most engine cases have to be split but it should work on those too. Good luck!
http://www.youtube.com/watch?v=nmdhx5nNxT8
Adam
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11-29-2008, 10:06 PM
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#3 (permalink)
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Administrator
Site Supporter Legend Favourite Bike: '98 Triumph Thunderbird
Join Date: Oct 2005
Location: Auckland NZ
Posts: 13,921 Other Motorcycle: '05 Honda CB1300
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Welcome to the forum YT and thankyou for the excellent video.
--------------
Ride on !
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04-16-2009, 06:17 PM
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#4 (permalink)
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Senior Member
Supersport 600 Favourite Bike: SV1000
Join Date: Sep 2008
Location: Loddon, Norfolk
Posts: 166 Other Motorcycle: SV1000 Extra Motorcycle: '95 Triumph Sprint
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Is there an average milage that they go at and does it only affect some bikes or is it a case of when rather than if ?
I've 11,500 miles on my 95 Sprint, no idea if it's had the sprag clutch done or not.
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04-27-2009, 05:02 PM
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#5 (permalink)
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Lifetime Premium
Site Supporter Formula Extreme Favourite Bike: Whatever I'm riding....
Join Date: Sep 2002
Location: Grapevine TX
Posts: 717 Other Motorcycle: 07 Tiger ABS & 79 T140 Extra Motorcycle: 95 TB & 08 Ducati S4RS
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Peter.....
Mine went somewhere between 16/20K - gave me lots of warning. Started with the occasional CLACK and then gradually went to a complete inability to engage over a period of about 4 months. Factors include state of tune (hard-starters will incur the problem more quickly due to lots of cranking), starting in neutral or in gear, riding pattern and pure luck.
__________________
Chris
"Panniers can never hold everything you want, but they CAN hold everything you need."
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04-28-2009, 05:48 PM
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#6 (permalink)
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Lifetime Premium
Site Supporter Pole Position Favourite Bike: Well, Duh!
Join Date: Jun 2002
Location: Tunbridge, VT
Posts: 3,650 Other Motorcycle: Can't afford two! Extra Motorcycle: Three would be insane
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Quote:
Originally Posted by cafetbird
Note: I didn't take these photos - but many thanks to the fellow T-bird owner that did.
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It was TriumphRat member SWare
__________________
Mick...
Just remember; an awful lot of the free advice you will get on forums is worth exactly what you paid for it. There will always be somebody trying to convince you to do something really stupid, just because they did it or want to do it.
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04-28-2009, 11:08 PM
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#7 (permalink)
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Senior Member
SuperStock Favourite Bike: 1995 Speed triple
Join Date: Oct 2007
Location: Virginia Beach Va USA
Posts: 294
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Mine has gone caboom at less than 31,00 on the speedo.
__________________
If at first you don't succeed, hit it with a bigger hammer
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05-01-2009, 11:38 PM
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#8 (permalink)
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New Member
Grand Prix 125 Favourite Bike: Ducati 848
Join Date: Apr 2009
Location: Alaska!!
Posts: 28 Other Motorcycle: 1996 Sprint ST
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Hey guys I think I'm in the same boat with my 95 sprint. Dealer said it would cost 14 hours worth of labor if the engine has to be pulled apart. Im gonna check tonight and see if there is the door on top of the crankcase for access. AHH that just irks me. At 100 bucks an hour, thats a down payment on a brand new daytona  ...
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01-01-2010, 10:51 AM
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#9 (permalink)
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New Member
Production 125 Favourite Bike: '99 Speed Triple
Join Date: Dec 2009
Location: Connecticut,USA
Posts: 7
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sprag clutch replacement
I'm new to this. I hope this ends up in the right place. I did the sprag on my '99 S3 at 26k. Engine out, split the cases. I'm not a mechanic. I did it with a Haynes manual. The old sprag seemed fine when I took it out. But you can't apply the same forces to it with your hands that it is subjected to in the engine. It was a big job, but very satisfying in the end. About 4000 miles later it still starts every morning. Just last week I noticed some coolant coming from the head gasket. Has anyone done a head gasket? The manual says it can be done in the frame. Another big job though, it seems to me. Happy New Year!!
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04-09-2010, 05:42 PM
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#10 (permalink)
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New Member
Minitwins Favourite Bike: 1996 Thunderbird T300
Join Date: Mar 2010
Location: South Africa
Posts: 18 Other Motorcycle: Working to Scrambler 900
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Oh man... this can't be happening.
I've just bought myself a well looked after 96 Thunderbird with only 11500km. Real beaut! Since the bike has been standing probably for the best part of 12 years (previous owner did 5000km in the last 12 years) there are a number of venturi rubbers needing replacement, and moving the bike up from sea-level to 1800m above also requires some adjustments, I assume.
And over the past two weeks (my first 1000km on the new bike) I now just end op with a loud CLACK (and a starter spinning) when I hit the start button. What a welcome to the world of classic Triumphs ;-(
Will be reading a LOT over the next few days. Getting parts in South Africa requires a lot of patience.
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