Finally installed 16T sprocket - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 97 Old 04-07-2019, 01:00 PM Thread Starter
KSM
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Finally installed 16T sprocket

I should have done it months ago...
(and, wow, I didn't expect my post would generate this big a response).
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Last edited by KSM; 04-16-2019 at 08:33 PM.
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post #2 of 97 Old 04-07-2019, 01:06 PM
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Now you'll need one of these>>> https://www.amazon.com/SpeedoDRD-DRD...gateway&sr=8-4
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post #3 of 97 Old 04-07-2019, 01:20 PM
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Originally Posted by Big Boy View Post
[IMG class=inlineimg]https://www.stromtrooper.com/images/smilies/new/thumbup.gif[/IMG]

Now you'll need one of these>>> https://www.amazon.com/SpeedoDRD-DRD...gateway&sr=8-4
Depends on the model V-Strom. My 2017 650 uses the abs wheel sensor so no change to speedometer or odometer reading with sprocket changes.
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post #4 of 97 Old 04-07-2019, 04:13 PM
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I've got my 16 T ready to go when the stock chain and sprockets are done for. For my needs it should be perfect.
I might even go 1Th larger on the rear sprocket to lessen the impact.

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post #5 of 97 Old 04-07-2019, 11:15 PM
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But the torque loss!?

I love the idea of longer, more useable gears, but I don't want to lose the little power the DL650 has... when compared to litre+ bikes I ride with.

Would love to hear you real results!

Two wheels for realz!
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post #6 of 97 Old 04-08-2019, 12:49 AM
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Finally installed 16T sprocket

I think the subject has been well covered on this forum. It drops your RPMs 300-400 in sixth gear and works great. I notice no difference in power and wish Id have done it earlier.
Since my 2014 picks up the speed signal at the front sprocket it puts my speedo within 1 mph of my gps.

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post #7 of 97 Old 04-08-2019, 12:58 AM Thread Starter
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Actually, my speedo and GPS are finally in agreement.

2012 DL650A (purchased Dec 2017)
2005 DRZ400S (sold Dec 2017)
1972 Norton Commando (sold 1984)
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post #8 of 97 Old 04-08-2019, 08:02 AM
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Originally Posted by Webfors View Post
But the torque loss!?

I love the idea of longer, more useable gears, but I don't want to lose the little power the DL650 has... when compared to litre+ bikes I ride with.

Would love to hear you real results!
I have run both the 16t and the 17t on the 2012 DL 650.

What do you mean by torque loss? Engine puts out the same power....

If you worried about torque multiplication from the gearing, you might be surprised to find the bike was just as quick as before. You don't upshift as soon, for instance when you shift into 5th gear the 16t bike can stay in 4th gear longer than you with your 15t sprocket. That means it is actually pulling harder than you at that time!

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post #9 of 97 Old 04-08-2019, 08:15 AM
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I have run both the 16t and the 17t on the 2012 DL 650.

What do you mean by torque loss? Engine puts out the same power....

If you worried about torque multiplication from the gearing, you might be surprised to find the bike was just as quick as before. You don't upshift as soon, for instance when you shift into 5th gear the 16t bike can stay in 4th gear longer than you with your 15t sprocket. That means it is actually pulling harder than you at that time!
Engine torque at the crank doesn't change. But wheel torque certainly will. It's all about gearing and the impact on laying power down to the wheel. Here's a good link that shows approximately a loss of 6% power (at the wheel) going to a 16T:

https://sprocketcalculator.com

And here's the quick reference graph:

https://sprocketcalculator.com/explain

So those that have the 16t have not noticed any perceptible decrease in max acceleration or any negative drive-ability issues?

What about highway passing?
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post #10 of 97 Old 04-08-2019, 08:56 AM
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Our highways in the southwest are 70 to 80 mph, revs are up there even with a 16 tooth sprocket. No trouble passing. You may have to slip the clutch a little more on takeoff but that's it. No one is forcing anyone to do this. If you don't want to try it...don't. The change made my 650 more enjoyable.
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