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Thunderbird Cruiser Chat Cruiser chat for the the Thunderbird twin

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post #1 of 15 (permalink) Old 07-27-2019, 08:00 AM Thread Starter
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Question Top Speed

Out of curiosity, I've always wondered what the top speed is for the 2012 1600 Thunderbird? At 70mph the tach is only half way to red line so I'm assuming it's somewhere north of 115?
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post #2 of 15 (permalink) Old 07-27-2019, 04:55 PM
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First of all, on mine at least it's more then that. Mine is at 3k at 80 which is less than 1/2 way to redline. In any case, i once figured it out theoretically meaning IF you could redline it in 6th, which of course you can't unless you have a supercharger maybe, but if you could the speed was something like 185. Of course thats according to the speedo so it's actually less due to speedo error. So its likely somewhere between 175-180 depending on whether speedo error increase with speed. I know at 50 MPH it's 4 MPH slower than it reads, so an actual 46.

It's geared very high apparently to give it the ability to do great cruising speeds leisurely, and it does. I've done some 500 mile trips where i stayed at 95-100 for hours at a time going thru areas where i could get away with it. The bike takes it like it's nothing. As to ACTUAL top speed, not sure. But mine is a 1700 with a custom tune and i hits and indicated 120 pretty easily and i think i've had it to 130 but the speedo stops at 120 and it's just blank space after that. But judging by the distance on the speedo of every 10 MPH increment it looked to be 130. Might have gone more but by that point i was gaining on cars so quickly i had to let off.

There are several models and i don't know how they would vary in regards to speed....1600, 1700, and the commander and LT which spec lower HP than other 1700s. Plus like i said mine has a custom tune with short tors and a gutted cat. In any case the theoretical top speed of all models i believe is 185 according the the fact that in 6th gear mine increases by 15 MPH for every 500 RPMs i add and at 80 it's at 3k so do the math and u will arrive at 185.

Last edited by TorqueBird; 07-27-2019 at 04:58 PM.
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post #3 of 15 (permalink) Old 07-27-2019, 07:23 PM
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185? First get it to 130 and let us know. Corrected for speedo error. The map has a speed limiter of 115 mph (185 kph) which you can reset.
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post #4 of 15 (permalink) Old 07-28-2019, 01:57 AM
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Quote:
Originally Posted by Dougl1000 View Post
185? First get it to 130 and let us know. Corrected for speedo error. The map has a speed limiter of 115 mph (185 kph) which you can reset.
Yes, it does. As i said i run a custom map and have run probably 20 that i have downloaded and modified myself and i ALWAYS raise the limiter. Sigh....
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post #5 of 15 (permalink) Old 07-28-2019, 11:06 AM
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Quote:
Originally Posted by TorqueBird View Post
Quote:
Originally Posted by Dougl1000 View Post
185? First get it to 130 and let us know. Corrected for speedo error. The map has a speed limiter of 115 mph (185 kph) which you can reset.
Yes, it does. As i said i run a custom map and have run probably 20 that i have downloaded and modified myself and i ALWAYS raise the limiter. Sigh....
That was for the OP’s info before he makes his speed run.
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post #6 of 15 (permalink) Old 07-29-2019, 06:22 AM
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my 2011-2012 Storm would get to 115 mph vary quickly and roll off pretty quickly after that. Plenty for hwy cruising and ditching tailers, but it's not going to run with sport bikes.
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post #7 of 15 (permalink) Old 07-29-2019, 01:32 PM
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Originally Posted by steve59 View Post
my 2011-2012 Storm would get to 115 mph vary quickly and roll off pretty quickly after that. Plenty for hwy cruising and ditching tailers, but it's not going to run with sport bikes.
I believe they got a stock Rocket to 150 at Bonneville. I had mine to 130 with wind screen and bags. The TBird has much less power but with a 6th gear, that may not be speed limiting.

Last edited by Dougl1000; 07-29-2019 at 02:04 PM.
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post #8 of 15 (permalink) Old 07-29-2019, 03:38 PM
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What'll limit the speed is wind resistance which will take a lot more HP.

The ride might be fun, but at the end, it really is the Destination that counts.
John 3:16
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post #9 of 15 (permalink) Old 07-30-2019, 09:09 AM
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Suggest that anybody planning on checking top speed personally read my post about heads-up on the Technical forum.
Much safer than looking down at your tank while breaking the ton!!
VABird, FYI, I have asked Frank to see if he can adapt a Gear-in-Go type device to show speed etc.
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post #10 of 15 (permalink) Old 07-30-2019, 12:44 PM
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Quote:
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...........VABird, FYI, I have asked Frank to see if he can adapt a Gear-in-Go type device to show speed etc.
Be surprised to see that. There's lots of R&D time and $$ spent. Since bikes already have a speedometer I see as a very limited appeal.

The ride might be fun, but at the end, it really is the Destination that counts.
John 3:16
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