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Old 01-06-13, 16:56   #31
Knolly
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Quote:
Originally Posted by MadMel View Post
Different bore diameter, so I suspect not.
I think that's only on the Daytona, not on the Striple.
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Old 01-06-13, 17:26   #32
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Originally Posted by Nastybutler View Post
Would it be possible to put the new head on the pre 2013 engines?
I would want to know what is different first...they reduced the size of the valves on the new D675 to lessen valve train weight and change cylinder flow but compensated with cam dynamics so who knows what if anything but the part # has changed. Could also just be a change in exhaust port/flange exit angle which appears to be different on the new bikes but would have to be verified. Might not be a case of new is better, just different.


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Old 01-06-13, 17:51   #33
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Sorry I was speaking of the Street Triple motor. The bore and stroke are unchanged. Why would you want to put the 2013 head on an earlier model there are no details about what changed simply that its a new part number.
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Old 01-06-13, 19:58   #34
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Originally Posted by MacBandit View Post
Sorry I was speaking of the Street Triple motor. The bore and stroke are unchanged. Why would you want to put the 2013 head on an earlier model there are no details about what changed simply that its a new part number.
I was assuming they'd improved it over the older one. Different coating?
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Old 01-06-13, 20:06   #35
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There's no explanation at this point. Could be just different paint or they changed some casting points for a different cam chain tensioner something else non-performance related.

Never assume a new part is better. In most cases putting a newer part on an older motor doesn't make any benefits without significant other engine work and dyno work.
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Old 01-07-13, 02:38   #36
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Quote:
Originally Posted by Knolly View Post
Posted by member Slipawaysi (I hope he doesn't mind me reposting it here):



He had a bunch of photos but this probably shows it the best:
That's the one. I like the look of the Triumph crash sliders (seen them at work in person on a ride out recently, when a guy in front of me dropped his brand new STR on a damp round about) and I'm going to test fit some to see what they look like with the older model rad cowls when I go to the dealer next.
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Old 01-07-13, 03:11   #37
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This says to me that the engine is pretty much the same internally.

Making 105bhp at 11850rpm and 50flb at 9750rpm, power and torque remain the same as before, but there are new fuel-injection throttle bodies, ECU settings and a revised first gear, which is longer but it takes away some of the Street Triple Rs wheelie-inducing acceleration. Triumph says these changes improve fuel consumption by 30% at town speeds and 12% at 50mph. The mpg is the same as before when youre going for it.
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Old 01-07-13, 11:39   #38
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How well did the sliders work? The photos don't really show how far they stick out. The impression is that they don't stick out very far which leaves me doubting their effectiveness.
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Old 01-07-13, 11:58   #39
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Not enough for me, I prefer the R&G's function over form but for someone looking for basic drop protection maybe .....

Some more Slipwaysi photos from the UK site:





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Old 01-07-13, 12:15   #40
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Originally Posted by MacBandit View Post
How well did the sliders work? The photos don't really show how far they stick out. The impression is that they don't stick out very far which leaves me doubting their effectiveness.
The guy lost the front and went down hard and slid for a few yards and the sliders for sure saved the tank.
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