Author Topic: Sprag Clutch?  (Read 1115 times)

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#10

Online Sidewinder

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Re: Sprag Clutch?
Reply #10 on: 01 May, 2021, 12:12:58 PM
In terms of direct replacements looks like you need a
Idler Gear, 14T/71T T1221104 (big flat one)
Idler Gear, 16T/18T T1221618 Replaces T1221103 (small double cog)
Hub & Gear, 51T T1221110 (The gear the sprag mounts on - the sprag itself looks like it might be ok)
and an OE starter.

#11

Offline varnerju

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Re: Sprag Clutch?
Reply #11 on: 03 May, 2021, 02:46:15 AM
*Originally Posted by Sidewinder [+]
You can't buy an OE spec sprag new from Triumph as it has been replaced with an 'upgraded' version as used on the sport.  The upgrade sprag won't fit with your OE setup so you need to buy the complete kit with sprag, gear train, starter motor and new covers - £600-700gbp.

An easy tell is the old style setup the small engine cover has six bolts, the upgrade has five.

I seem to recall someone on here did a fudge/mod using parts from another bike which worked out much cheaper but can't remember who or exactly what they did.

So not the T1221111 that I referenced earlier, but the T1220078 says it is for engines above 506,682. What confuses me there, is that my engine is 5,345,597, so either off by a factor of 10 (and I double triple checked that I wrote down the number correctly) or I'm not understanding what the engine number in the fiche at Hermys is talking about with "greater than". I definitely have 6 bolts for the starter cover, not 5.

Talking to a dealership parts department, they hadn't heard about an "upgrade kit" but did mention that in 2008 the engine numbers changed and that was a different part depending on what part of the year it was made. They also said they hadn't heard of the sprag being a common failure point. I should have questioned their knowledge of piston lans breaking to determine if they really knew their stuff or not, but I didn't think about it in time.

#12

Online Paul2bikes

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Re: Sprag Clutch?
Reply #12 on: 03 May, 2021, 08:59:58 AM
Sure I recall Freddie & Paul82 fitting the upgrade kit into their Tiger.
Also: '16 Tiger 800, '95 Yamaha Serow, '58 Ariel FH.

#13

Offline gosling 1

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Re: Sprag Clutch?
Reply #13 on: 03 May, 2021, 11:57:19 AM
*Originally Posted by varnerju [+]
So not the T1221111 that I referenced earlier, but the T1220078 says it is for engines above 506,682. What confuses me there, is that my engine is 5,345,597, so either off by a factor of 10 (and I double triple checked that I wrote down the number correctly) or I'm not understanding what the engine number in the fiche at Hermys is talking about with "greater than". I definitely have 6 bolts for the starter cover, not 5.

Talking to a dealership parts department, they hadn't heard about an "upgrade kit" but did mention that in 2008 the engine numbers changed and that was a different part depending on what part of the year it was made. They also said they hadn't heard of the sprag being a common failure point. I should have questioned their knowledge of piston lans breaking to determine if they really knew their stuff or not, but I didn't think about it in time.

When Triumph reference an engine number they do not use the first digit, only the last six. Your engine 5345597 is actually 345597. Don't know why the heck they do this  :087:
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#14

Online Sidewinder

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Re: Sprag Clutch?
Reply #14 on: 03 May, 2021, 12:16:45 PM
I'll guess if you mention a 'hot start' problem to em they'll be like "what's that then, never heard of that before?"

#15

Offline Freddy

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Re: Sprag Clutch?
Reply #15 on: 03 May, 2021, 01:05:44 PM
*Originally Posted by Paul2bikes [+]
Sure I recall Freddie & Paul82 fitting the upgrade kit into their Tiger.

Sure did.  Triumph Australia said it'd fix the hot-no-start problem - but it didn't.  Kit part numbers shown here:

https://www.tiger1050.com/index.php/topic,34436.msg379400.html#msg379400
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#16

Offline varnerju

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Re: Sprag Clutch?
Reply #16 on: 05 May, 2021, 05:05:43 PM
Still waiting to connect with Hermys parts department for their take on what parts I really need.

But wanted to report my proto-tool worked well and from what I can tell, the sprag is spragging! (Spins one way, locks up the other)

Proto tool, M6 bolts 51mm span. Had planned to use the head of the socket head, but didnít clear the center enough so had to use the thread side. Used in conjunction with Allen socket more like scissors than pushing both ends of a teeter-totter and it worked great.




#17

Offline indytiger1050

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Re: Sprag Clutch?
Reply #17 on: 07 May, 2021, 01:17:30 AM
I'm checking on the speed triple forum which seems to have died.  Do like the new 1200 speed triple.  Wish it was like the old days, the S3-1050 and the Tiger 1050 same engine different setup's. The Tiger 1200 has a shaft so it looses a lot of HP to the driveline.
 
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