Larger front sprocket - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
DL1000A - 2014-2016 DL1000A - 2014-2016 (L4-L6)

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post #1 of 15 Old 05-24-2018, 10:58 PM Thread Starter
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Larger front sprocket

Has any1 placed a larger front sprocket on their bike to lower rpm at 80 85ish highway speeds? Any advice appreciated.
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post #2 of 15 Old 05-25-2018, 12:15 AM
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I have done this with my 2010 650. Going +1 on the front was not worth the effort.
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post #3 of 15 Old 05-25-2018, 02:49 AM
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See comments on https://www.stromtrooper.com/dl650a-2...-sprocket.html. Granted it is for the DL650 but use the site search and there are many such discussions for both the DL650 and Dl1000. Bottom line, the sprocket size choice will depends on where you use your bike the most - on-road only or dual on-off road.
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post #4 of 15 Old 05-25-2018, 10:21 AM
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Originally Posted by dakor82 View Post
Has any1 placed a larger front sprocket on their bike to lower rpm at 80 85ish highway speeds? Any advice appreciated.

You know there's a 6th gear right?
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post #5 of 15 Old 05-25-2018, 12:27 PM
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I have a +1 counter sprocket on my 2013 DL650 not so much for RPM reduction at highway speeds more so to get speedo more accurate and have a 1st gear that I didn't have to shift out of simply pulling out of the garage.
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post #6 of 15 Old 05-25-2018, 11:03 PM
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Honestly, I don't see any advantage. Yes, you're going to be a couple hundred rpm lower at speed, but what's the benefit? The bike will feel more sluggish and you'll be downshifting more often to get the same acceleration at a particular speed. With stock gearing it will happily cruise at 100+ mph. I once tried going the other way - down a tooth on the sprocket, but ultimately decided stock was better.

If you don't already know about it, this site is good to play around with gearing and tire size changes:

https://www.gearingcommander.com/

-Gary
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2012 DR650SE
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post #7 of 15 Old 05-26-2018, 12:55 AM
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I used to feel like Dakor82, thinking I was overrevving the engine at highway speeds. Now I'm running 17-43 on my '06 1000 and I like it. I ride double quite a bit and enjoy having a little extra power in 6th for passing, mountain passes and such. Overgearing is not good on the engine either. This type engine likes RPM, so don't fret at running 5,000 plus for a couple hours. On track days, we run 6-9,000+ for a solid 20 minutes. The bike loves it.
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post #8 of 15 Old 05-26-2018, 08:32 PM Thread Starter
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Thanks for the answers, so in 70mph zones doing indicated 90 to keep with faster traffic(I know there is a speedo error) it's in low 5000s .. just did a 200 mile ride and got 32mpg.. was hoping to maybe kiss 40 mpg at these speeds and maybe save the engine a bit. Not to mention doing the same exact drive at similar speeds my car will get 35 mpg. Feel the bike has plenty of torque to deal, but if you think it's a waste I won't do it...
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post #9 of 15 Old 05-26-2018, 09:33 PM
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Changing the sprockets for a lower rpm doesn't necessarily result in better mpg and some have reported less. As you go above 60 or 70 the fuel efficiency drops like a rock. Most bikes are about as aerodynamic as a phone booth. (You young whippersnappers can ask someone over 40 to explain what that is.) In mixed riding - backroads, twisties and a little expressway - not getting too crazy on the throttle I'm averaging around 43.

-Gary
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2012 DR650SE
2011 Burgman 400
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post #10 of 15 Old 05-27-2018, 03:40 PM
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I went the other way, first gear was too high when loaded and off road so the clutch got a workout and I was never using 6th gear.

I still find myself setting my cruise control while still in 5th the 16t.

The 17t never stayed on bike long enough to do a fuel comparison.

I recently had a custom map built for my PCFC so I gained some HP and a heap of torque so I tried the 17t again, I only lasted a day before I put the 16t back on.

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