Triumph 675 Daytona and Street Triple
Fuel Injection Tuning / Reflashing
TuneECU trackday tuning - TuneECU not available for 13 and later models as of Dec 2017.
Use a Power Commander or similar to tune fueling.
Custom Trackday Triumph 675 Street Triple and Daytona Fuel Injection Tuning
The 675 Triumphs
are one of the best performing middleweights around.
Wheelsmith uses the EC997 dyno and a multi-gas analyzer to tune to Best Power while retaining good fuel consumption - resulting in a nice clean running bike that has improved power and decreased backfiring. And no stumbliness in transient conditions.
We've done quite a few 675 Daytonas and results have been wonderful. Lowend and midrange are smoother and more responsive.
Full throttle power and mixture is improved. Throttle response in neutral is improved. The bike even sounds better.
One of the common problems with the current state of the art in the motorcycle industry is that when "tuning to an AFR", you are looking at ONE gas and simply "telling" the engine what it should have, without verifying a couple things: what IS supposed to be the "magic AFR" really the "AFR"? Is the "magic AFR" really the amount of fuel and ignition timing that the engine wants?
From looking at
"AFR value goal" generated maps, I think that the Triumph's issues
were the result of "in reality - too rich" AFR mapping.
The Trackday Tuning Specialists.
Call 415 472 4962
EVO Shift Star
Virtually eliminate missed shifts and help lessen damage caused by missed shifts.
(sample picture only - not actual star)
Fits 13's VIN 564948 and later and all 14's and 16's's.
Replaces oem star #T1191060 and oem spring #T1190109.
(clutch cover gasket not supplied)
prototype star in mfg que
2013 models after VIN 581992, it's a different Star
with prototype plate spring - not included
with prototype plate spring - not included
Midnight Engineering Series -
Triumph 675 Shift STAR
At 2014 Laguna WSB round: Virtually Eliminated missed shifts.
In 1-2 hours,
you can make your shift
mechanism work 25%
quicker - was 60ms - now 45ms.
missed upshifts and false
Legal for AMA racing.
This is the kit that makes the
Hi Marc, Raul just came by the
warehouse on a Triumph 675. He
said he just put the shift star
and spring in and asked if I
wanted to test it. I took it for
a ride around the block and was
amazed at how quick and smooth
the shifting was. After running
dozens of these on the dyno at
AMA and CCS/ASRA races, I have
never tested one of these that
shifted so nicely. Big
On a scale of 1-10? It's an 11.
I want one.
I bought a 2013 Triumph 675R in March of 2013 and in one year and two months it has over 19,000 miles on it. In that time it has performed nearly flawlessly.
I remember missing just two shifts, both on the upshift between first and second gears. I attributed these to not enough pressure being placed on the shift lever. Other than that, shifting has been smooth and predictable.
There was also a distinct clunk when the gears engaged on the upshift between first and second. There was never any problem, but it caused me to prefer to use the clutch lever upshifting between first and second, and the quick-shifter from second through sixth gears after that.
I recently had the Factory Pro Tuning Components shift star and shift spring installed. Shifting between second and sixth gears remained smooth and predictable, but with the Factory Pro star and spring, each shift is much more positive, with a slight click that could be felt through the shift lever.
The major difference was in the upshift between first and second gears. The clunk was completely gone, and the shift was just as smooth and positive as those between all the other gears.
Downshifts are also more positive, with the reassuring click. None of the shifting with the Factory Pro components could be described as “notchy”, and no additional pressure is required on the shift lever.
The Factory Pro Tuning Components shift star and shift spring are two of those things that you don’t think you need, until you get them installed.
Motorcycle journalist, photographer and advertising consultant
Notes on external quickshifters
When you look
at quickshifter "kill" duration
at 55ms, every upshift you are
losing about 1/20th a second. Do
20 upshifts and you lose 1 full
second of applied power. 100
upshifts and that's 5 seconds
that power is "killed" while the
QS is waiting for the shift to
Of course, I can't guarantee that you'll drop your lap times by 1/2 sec per 100 upshifts - but - wouldn't it be mentally less effort and cool to make missed upshifts and downshifts virtually disappear?
Note about quickshifter
shift kill time:
Available from Power Tripp and direct from Factory Pro.
North Ireland's Mark Conlin
EFI and Carb Tuning - Most all FI and carb tuning
by Wheelsmith Racing
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Flight Training - train with AMA race winner Todd Harrington.
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|The extension of the laboratory
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Edited to the tunes of Chemical Residue by Herbie Hancock.
Maybe in next rewrite, he'll fix the ignition timing and dyno chapters...
Otherwise great book with great starting ideas.
The little blue bible for quick references and little known facts.