Engine hesitation - Suzuki Volusia Forums : Intruder Volusia and Boulevard Forum

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Old 07-08-2012, 11:41 AM   #1 (permalink)
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Default Engine hesitation

I recently got a 2006 C50 with 6500 miles. Everthing works great, except for one little glitch .... when I get out of the flatlands around here, and in some hills, I notice that on a modest downhill slope, I get some hesitation on very slight deceleration. It is a very narrow band of rpm where I notice this. Accelleration is fine, and a greater deceleration rate is fine - it's only when I'm just trying to maintain my speed on a slight downhill.

I thought that, with not being used a lot by the previous owner, maybe the fuel injectors were a little gummy. I've run several tanks of Sea Foam- treated gas through it, but it doesn't seem to have helped.

I previously had a Vol, and didn't notice this quirk. Is it normal for a C50? If not, any suggestions?
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Old 07-08-2012, 12:07 PM   #2 (permalink)
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does is sound like it misses for a second or just no response from throttle ?
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Old 07-08-2012, 12:21 PM   #3 (permalink)
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I got an 07 and have not noticed it doing this.

No clue why yours does, someone will be alone shortly.
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Old 07-08-2012, 06:53 PM   #4 (permalink)
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Quote:
Originally Posted by Paintbb84 View Post
does is sound like it misses for a second or just no response from throttle ?
It's a very slight, intermittent miss. It doesn't happen at any particular rpm, just on a slight deceleration at any given engine speed.
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Old 07-09-2012, 09:37 AM   #5 (permalink)
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are u getting the same type of gas from the same station/brand or possibly the plugs?
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Old 07-09-2012, 11:26 AM   #6 (permalink)
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I bet it is the PAIR valve.

Aftermarket exhaust?
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Old 07-09-2012, 09:13 PM   #7 (permalink)
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Originally Posted by janeuner View Post
I bet it is the PAIR valve.

Aftermarket exhaust?
Stock exhaust.

Would the PAIR valve cause problems after only about 8k miles?
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Old 07-10-2012, 11:07 AM   #8 (permalink)
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It gets clogged with carbon pretty quick. Only reason it is there is so the bike will pass emissions.

From what you describe, it sounds like there are no problems with acceleration or fuel economy. You just hear something strange on deceleration?

Pair Valve
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Old 07-10-2012, 04:34 PM   #9 (permalink)
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Quote:
Originally Posted by Paintbb84 View Post
are u getting the same type of gas from the same station/brand or possibly the plugs?
Different brands of gas, all regular grade. The plugs have only about 1k miles on them..... but I appreciate your input.
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Old 07-10-2012, 04:38 PM   #10 (permalink)
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Quote:
Originally Posted by janeuner View Post
It gets clogged with carbon pretty quick. Only reason it is there is so the bike will pass emissions.

From what you describe, it sounds like there are no problems with acceleration or fuel economy. You just hear something strange on deceleration?

Pair Valve
That may be it ... there is a very subtle popping/jerking when I am in very slight deceleration mode, but no problems at any other stage of acceleration or heavier deceleration.

I didn't think of the PAIR because my old Vol had 40 k miles on the original PAIR, with no noticeable problems.

I'll be busy for a week or so, but will try to do the "adapting" after that.
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