Knocking after TPS - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 4 Old 05-26-2006, 07:25 PM Thread Starter
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Knocking after TPS

Just did my TPS adjustment the other day (got the adjustment to about 1500 RPM). During the adjustment, the bike stalled a few times and at others revved high (around 3500 RPM).

However now that it's all done, I'm noticing a knocking (from the rear cylinder) that I don't think was there before. Most noticeable at idle, but does speed up with the revs. The bike doesn't stumble and idles fine otherwise (at 1200-1300 RPM).

Any suggestions on what it might be?

Thanks,

Lang

Blue DL650K5
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post #2 of 4 Old 05-30-2006, 03:55 PM
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Hmm. I've done the TPS adjustment (I may have been the one who recommended it to you) but didn't develop any new knocks along the way. My idle has seemed extra "lumpy" when my throttle bodies were out of sync. Could that be it? Maybe get a vacuum gauge set check your throttle body sync?
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post #3 of 4 Old 05-30-2006, 05:57 PM
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You should be setting the TPS by shorting the two wires on the service plug and adjusting so the bar is in the middle on the LCD display.

Without the engine running the lower or middle bar may be visible.
Start the engine, allow it to idle.
At 1200 RPM the center adjustment bar should be visible.
If the center bar is not visible, the TPS must be adjusted.
Use the Security Torx tool to loosen the TPS screws.
Rotate the TPS until the upper bar is visible.
Expect a delay of about one second as the bar display changes.
Slowly rotate the TPS in the other direction until the center bar becomes visible.
Use light pressure, as a small amount of movement on the TPS will result in a large change on the display.
After adjusting the TPS, tighten the screws.
Check to make sure the center bar is still visible.
Rev the engine slightly and allow it to idle.
Adjust the TPS again if the center bar is not visible.
TPS adjustment above idle must be checked.
As the throttle opens, just past idle the bar should become visible in the top position.
Closing the throttle and allowing the engine to idle should return the bar to center.
Always check the adjustment bar display after tightening throttle position screws.

[B]-- Warren in San Diego --
-- 2013 KLR 650 --[/B]

-- [URL="http://www.klr650.net/forums/showthread.php?t=47348"][COLOR=blue]Click Here For My Free KLR Valve Adjustment Shim Calculator[/COLOR][/URL][COLOR=blue] [/COLOR] --

-- [URL="http://www.vstrom.info/Smf/index.php/topic,10863.0.html"][COLOR=blue]Click Here For My Free V-Strom Valve Adjustment Shim Calculator[/COLOR][/URL][COLOR=blue] [/COLOR] --
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post #4 of 4 Old 05-30-2006, 07:14 PM
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Oh, also...

Go here and you can download a video that covers a TL1000, full TBS and TPS service, which is the same config as our bikes:

http://www.jiffypark.com/tl/tl.htm

Highly recommended though 212MB's :shock:

[B]-- Warren in San Diego --
-- 2013 KLR 650 --[/B]

-- [URL="http://www.klr650.net/forums/showthread.php?t=47348"][COLOR=blue]Click Here For My Free KLR Valve Adjustment Shim Calculator[/COLOR][/URL][COLOR=blue] [/COLOR] --

-- [URL="http://www.vstrom.info/Smf/index.php/topic,10863.0.html"][COLOR=blue]Click Here For My Free V-Strom Valve Adjustment Shim Calculator[/COLOR][/URL][COLOR=blue] [/COLOR] --
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