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Discussion Starter · #1 ·
My father purchased my 99 legend for me when I turned 16. I instantly fell in love with it. Been riding it for 5 yrs now. We used to ride with a guy that had a TBS. He put a speed triple cam in his and he says it really woke it up. Granted he is an extreamly experienced rider, but we have been out riding and Ive seen him woop up on gsxr's and cbr in the curves. Ive always kicked around the idea of doing it to mine. Im assuming it will need rejetting. Other than that, what else will need to be done? Another question, the 955 speed triples...do they have a bigger bore or longer stroke to give it that extra 55cc's? Final question of this thread. Both pipes are banged up. The guy before me dropped it at least twice. Any pipe recomendations? I really like the look of the stock pipe, but am open to any suggestions.

Thanks,
TJ
 

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+1

Suspension improvements, such as the TBS has are worth far more in the twisties than cams imo (playing up to reasonable speeds on the straights in between)
 

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Discussion Starter · #5 ·
Ive been reading about the thunderbike 3 into 1 that Mike has on his ThunderLegendSprint. I read at one point that the center stand has to be removed in order for these to fit. Is this true?? Also, is the advertised 9.7% power gain accurate?

It seems the common consesus is, work on suspension. Mike, any particular reason you went with a kawasaki rear shock? I dont know if I like the idea of mixing Jap parts on my triumph, but if the benifit outweighs my ego, then I may consider it. Is there a rear shock made my triumph that would work and could compare to the ZX-11, 9 or 7? Maybe an aftermarket shock?

Thanks for the info,
TJ
 

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LOL: I dont know if I like the idea of mixing Jap parts on my triumph.

Triumph makes the frame, the engine (at least final assembly) and the wiring harness (in there Thailand plant). Pretty much everything else is made of the Triumph premises.

The Thunberbird/TBS/Legend/Adventurer line in general follows HD's successful path: Charging system, starter, shock, forks, brakes (calipers and master cylinders), instruments are all Japanese. The valve shims are standard sized (easy to get at Jap dealers as well as Volvo dealers).

I'm not sure who made the ignition system, but there isn't much that is a standalone kind of component or system that is left (of value).

I wouldn't be surprised if I missed something else that is a Japanese sourced component.
 

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Is there a rear shock made my triumph that would work and could compare to the ZX-11, 9 or 7? Maybe an aftermarket shock?
Depends upon your budget. A number of us have replaced the stock monoshock with a Hagon. It's a big improvement, adjustable and is British should that matter to you. A lot cheaper than Ohlins (who don't make a version for these bikes anymore other than, I think, to special order), but more expensive than buying a used example of one of the ZX options.
 

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I still have the centrestand fitted with the Thunderbike pipe, no problem. The real power gains come with opening up the airbox with an extra hole (or 2) or going to pod filters (& rejetting accordingly). Exhausts help a bit & certainly a bit more flow than stock is useful when increasing intake flow.

It just so happens that Kawasaki used shocks with the same (or close) mounting & dimensions. I don't think any bike maker actually makes shocks (or forks) so the 'Japanese parts' comment, well, makes no sense. Triumph have used Showa, Kayaba & other suppliers at different times as it suited them, as have other manufacturers.

The ZX9(B model), 7 & 11 shocks, with either no external reservoir or a remote reservoir will all bolt up with maybe just a washer or two needed. However the springs on all these (I think?) are a little soft - ok for solo use, lighter riders. The spring can be changed, but ideally the shim stack should be modded to suit. (Specialist Cos will do this for reasonable money - still cheaper than 'new' aftermarket shock options.) But the quality of damping control & improvement over stock is so huge & their price (s/hand) so low, that they are probably way ahead in smiles per $$.

Big Al fitted a ZX6R shock (98-02 'G' models I would assume?) This has a stiffer spring rate - likely about right imo for most use, & esp for two up. But he had to rotate the battery box 90 deg to make room for it's top attached external gas/oil reservoir. And the shock's mount holes are M10 & need drilling out for our M12 frame and link parts. So a bit of modding needed, but imo, these are probably the best all round value option, albeit with a little more work needed.

I'm using a ZX9R shock, which is really damn good, if lightly sprung. I'm thinking about trying a ZX6R unit to see if it will work well solo for me & also enable some two up use. I can always drop the 9R unit back in anyhow, & might keep them both & swap in as needed for longer trips according to weight capacity needed.

The Ricor Intiminator fork valves are a great option for the front, retaining the stock forks. Brake dive is transformed, as is ride/traction over poor tarmac.

Changing forks for cartridge types, is not a cheap option. TBSport front ends are rare & usually very expensive, tho' they are a straight bolt up. Other conventional or USD cartridge for conversion options are possible tho' maybe twice the $$ of Ricors overall (minimum) and a bit of thought, lot more work & some (basic) machine tool fabbing is needed too.

Overall, I guess for maybe $400, a ZX rear shock & Ricor fork valves is probably the best value & easiest option for an average home mechanic? It will transform the bike, no question. For a Legend, it's a good idea imo to raise the rear too (toward TBS geometry/ride height) by fitting shorter Tbird drop links or getting some made. There's a lot of scope imo for tipping more weight to the front & shortening stock trail to get quicker steering & a more responsive front end. The front can be dropped a little too to help.
 

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what about this

Click below to see a pic of one as is advertised on ebay as zx9r shhock from a 1999. Is this looking to be the right shock as you described? I have a 2000 TBS that bottoms over a single blade of grass on the pavement, and it is likely due to my 220 pound frame of meat, bone and sculpted fat. I dread the idea of over $500 for a Hagon, would rather get castrated than 1100 for Ohlins and even Triumph asks over 1000 for their replacement if even still available.

My TBS resevoir is mounted off the shock via a hose. This appears to not have that.

http://i295.photobucket.com/albums/mm132/fasterznu/99ZX9R/DSC02942.jpg
 

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That last linked (ebay) one is the type I have on my bike. I weigh only 150lbs & rarely ride two up, so can get away with the lighter spring rate, 8.15kg/mm according to Racetech. At 220, that's pushing it a bit. But otherwise these are decent shocks & the length, being a bit longer than a stock Tbird, is more suitable for the TBS. One option is to buy one as cheap as possible & then have it resprung & also revalved for the new spring rate, say, 10kg/mm? This should not cost much, if any more than a standard 'overhaul' job + spring, maybe $200? (Racetech will say ~ 11 ish kg/mm for your weight, but they go on the 'firm' side imo, & I don't think there's a heavier spring available anyhow.)

Another option is the ZX6R (which looks like your 1st link above), 98-99 with 9.5kg/mm spring or 00-02 with 10kg/mm spring. But these have a fixed reservoir which needs the battery box rotating 90 deg to make room (BigAl has done this). The length is more stock Tbird (a little shorter). You may find this ok or it's easy enough to get shorter dogbones made to raise ride height. (12mm diam holes in 8mm flat steel bar, distance as required.)

(Spring rate data from Racetech.)

Toying with the idea of a ZX6R shock myself to see what difference it makes with a more 'correct' (~ish) spring rate.

I suppose one caveat with all these other model shock options is some uncertainty over exactly what the length of stroke to bump stop is. Tho' I think this mostly only matters in the unlikely event a spring breaking & causing total collapse as well. Would/could the wheel hit the mudguard? Or other issues? Not sure, & not something I'm worrying about personally, but while I'm offering up something that 'might' be construed as 'advice' feel it should get mentioned somewhere! As ever YMMV ;)
 

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well, I bought the 2nd one with the remote resevoir. I live exactly one hour's drive from the Race Tech headquarters, so I will be contacting them. I guess I could lose a few pounds, but the more I exercise, the more I seem to eat : ) I already sent their tech department an email loaded with questions. I hope to resolve it all fairly cheaply... will keep posting about it as it develops.
 
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