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2008+ KLR650 Wrenching & Mod Questions For repair, maintaining or modifying discussions related to the newly updated 2008 and beyond, Generation 2 KLR650 Motorcycle.

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post #11 of 16 Old 09-23-2019, 07:32 PM Thread Starter
1st Gear
Join Date: Aug 2019
Posts: 18
The 705 mod with cams,porting and pipe dynoed at 56 rear wheel. Thats about 62-64 at flywheel. That would be a noticeable jump id say.
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post #12 of 16 Old 09-25-2019, 03:16 AM
Join Date: Sep 2019
Posts: 3
If you are looking for more power, why not go the 719 route? I believe the 705 requires a new cylinder liner so you might as well go big.
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post #13 of 16 Old 09-25-2019, 09:52 AM
4th Gear
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Join Date: May 2014
Location: Texas
Posts: 1,248
Originally Posted by clogan View Post
I put a 685 on mine...I honestly cannot tell the difference vs. the original 650. Well, one difference is I no longer have to add oil every 100 miles. And, I suppose it's a bit smoother. But as far as oomph goes...well, the KLR is not known for oomph. If I want to go fast, I ride a different bike.

A KLR makes, what, 35 horsepower or something? So, you jazz it up, and maybe get 40 horses. Not enough to notice..

Slow and steady wins the race many times.

Sent from my XT1254 using Tapatalk
I was pleased with the 685 I put on my 2008 due to the reduction in vibration, but can't say the extra couple of horsepower were noticeable. If you really want to feel lots of power, get a different bike. But, if you just like working on them as I do, go for it.
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post #14 of 16 Old 09-25-2019, 10:04 AM
1st Gear
Join Date: Jul 2014
Location: Lake George, NY
Posts: 52
685 kit plus freed up airbox, slightly cleaned up intake port, opened up stock exhaust, Runs much smoother, and only needs a tiny bit of oil (probably averages 1 ounce per 300 miles) when I run it over 5000 RPM for sustained periods. Somewhat more power, but not anything that would keep a KTM 790 in sight on a long flat straightaway.
With modified windshield & seat, the bike is very comfortable and I could ride 12 hours a day at 75 mph if needed. That’s what puts miles on the clock, not 100 mph with reliability, tires, deer or law enforcement issues.
Suggest you add a 16 tooth countershaft sprocket plus fresh chain and go for it.
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post #15 of 16 Old 09-25-2019, 10:14 AM
1st Gear
Join Date: Jul 2014
Location: Lake George, NY
Posts: 52
Just remembered that several years ago I had also done the MC Mod and all the carb enrichment tricks. The MC Mod did make my 2011 much smoother at lower RPMs. At some point in there, after doing a series of plug checks, I took it to a dyno mostly to check the A/F ratio, and was delighted to see that it was near stoichiometric across the range.
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post #16 of 16 Old 09-25-2019, 10:28 AM Thread Starter
1st Gear
Join Date: Aug 2019
Posts: 18
Thanks everyone. Very good repies for sure. I did the windshield mod and very happy. Im going to get the corbin seat redone over winter and soften it up. I like the klr the way it handles i just think with some engine mods which i can do myself over winter it would really perk up bike. Im 200lbs with gear and if you add hard bags i think the ol bike will be lagging a bit. There is some long pulls to yukon for sure. I fully intend on the 16 tooth also.
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