Doin' the Snoopy Happy Dance! - Kawasaki Versys Forum
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post #1 of 5 (permalink) Old 07-12-2017, 04:40 PM Thread Starter
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Doin' the Snoopy Happy Dance!

Finally, the '15 V650 is running so sweet and smooth, better than it ever did even on the test ride at the dealer 2 yrs ago. Earlier this summer it suddenly started running really poorly. Obviously a mixture problem, replaced the O2 sensor to no avail, used an O2 replacement plug to some improvement.

Discovered a split vacuum line to the Intake Air Pressure Sensor. For some odd reason the sensor doesn't sit on the intake, but at the end of 12" of vacuum line. That line had a hidden split which must have been there from the original assembly, but got bad enough this summer to make the bike unrideable.

I thought all of you must never have ridden an in-line 4 cylinder bike because you've all been praising how smooth the gen 3 motor is, especially compared to the previous generation Versys.

Truly I have been considering replacing the V with either a Tiger 800 or something with an inline 4 cylinder engine in order to get away from the vibrations.

The bike had a roughness between 2800-3200 rpm since new. When warmed up it would stumble in that range. And a bit of a vibration at about 5000 rpm on the highway, tickling the prostate uncomfortably (but the ladies might have enjoyed that feature). Now all that vibration is gone.

I'm doing the Happy Dance today!

Last edited by Fly-Sig; 07-12-2017 at 04:43 PM.
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post #2 of 5 (permalink) Old 07-12-2017, 05:10 PM
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now you can see why we all love these bikes maybe youll even be able to do some of this....
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yes im a guy.
Silvie=latin for. Of the forest /woods. Fox= Vulpine (also my middle name)

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post #3 of 5 (permalink) Old 07-14-2017, 11:55 AM
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silviefox - MAYBE you need to get new glasses...

THAT looks like a VW to ME...!


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'08 V AZ, '15 V650LT BC
Ride to D2D 2013, June '13

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post #4 of 5 (permalink) Old 07-14-2017, 02:32 PM
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Quote:
Originally Posted by fasteddiecopeman View Post
silviefox - MAYBE you need to get new glasses...

THAT looks like a VW to ME...!

ya but it has about as much power as our bikes

yes im a guy.
Silvie=latin for. Of the forest /woods. Fox= Vulpine (also my middle name)

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post #5 of 5 (permalink) Old 07-14-2017, 08:49 PM
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On a related note, it is important to do regular throttle body/carburetor synchronizations on for the same reason. If the explosion in one cylinder is constantly larger than the explosion in the adjacent cylinder vibration will result. There is a air bypass screw in each throttle body to set vacuum levels appropriately. A vacuum level check would have probably identified the above issue with a split hose. As a minimum I always do one when I remove the tank to clean the air filter which works out to be once or twice a season.

The most common cause for this to change is valve wear or changes caused by a valve adjustment. You should always do a throttle body synchronization immediately after a valve adjustment.

I purchased a throttle body sync tool for about $100 and only use it a about once a year but it has paid for itself. Another option if you are a DIYer is to build one from clear tubing. Lots of instructions on YouTube on how to do this.

Last edited by twowheels; 07-14-2017 at 09:07 PM.
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