2004 gsxr 1000 slapping noise at high rpm - TwoWheelForum: Motorcycle and Sportbike forums
 
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post #1 of 14 (permalink) Old 06-30-2007, 04:45 PM Thread Starter
 
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2004 gsxr 1000 slapping noise at high rpm

i have a 04 gsxr 1000 suzuki from idel to 5000 rpm the motor runs quiet around 5500 you here a slight slapping noise if you quick rev it you here it good. a manual tentioner has been put in it but it is still doing it one of the guys at suzuki said that it sounded like the valves need adjusting are the bucket need to be re shimmed and that the noise was in the top and not the bottom can anyone in here help me please.
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post #2 of 14 (permalink) Old 06-30-2007, 07:07 PM
 
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The first thing I would do is check the torque on all the engine mounting nuts and bolts.
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post #3 of 14 (permalink) Old 06-30-2007, 07:19 PM
 
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may be your valves. are you sure your manual tensioner is adjusted right?

but I think its the midgets I put in your motor to keep things tuned right. there should be four of them.
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post #4 of 14 (permalink) Old 07-01-2007, 03:42 AM
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how many miles on it?




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post #5 of 14 (permalink) Old 07-01-2007, 07:40 AM Thread Starter
 
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2004 gsxr 1000 makes slapping noise at high rpm

the motor has about 8000 miles on it it set for a year in my garage once i got it on i made 4 passes on it at the drag strip i noticed the noise coming down the return road 1/8 a mile it ran 618 117mph on stock wheel base. it sounds like its coming from the top. i had one guy tell me it could me my clutch basket. i guess the only way to rreally check it would b to pull th basket out. i have a full tifourc exhaust on this bike lowered with tie downs on the front 15th sprocket on the front power commander and fuel injection mods.
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post #6 of 14 (permalink) Old 07-03-2007, 02:29 AM
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COuld be either... time to bust out the wrenches...




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post #7 of 14 (permalink) Old 07-05-2007, 04:15 PM
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Punctuation!!! It's a great thing!!!

period .

comma ,

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question mark ?

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post #8 of 14 (permalink) Old 07-05-2007, 04:27 PM
 
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Check the valves, and clutch.

I'm leaning more towards the valves though.
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post #9 of 14 (permalink) Old 07-11-2007, 06:18 AM Thread Starter
 
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well we looked at the valve clearance and found that the valves were a little tight also we did a compression test cylinder 1 had the most compression it was 90 2,3 would pump up to 80 drop a little go back to 80 and drop then hold cylinder 4 pumped up to 80 and held. looks like i might have a couple of bent valves. he was saying that the tentioner might have caught a air bubble and that little bit cause the valves to bend. so why we have it down i plan to have the heaqd ported and polished and change the cams to make a little more power
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post #10 of 14 (permalink) Old 07-11-2007, 08:02 AM
 
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Originally Posted by sandman the gsxr man View Post
well we looked at the valve clearance and found that the valves were a little tight also we did a compression test cylinder 1 had the most compression it was 90 2,3 would pump up to 80 drop a little go back to 80 and drop then hold cylinder 4 pumped up to 80 and held. looks like i might have a couple of bent valves. he was saying that the tentioner might have caught a air bubble and that little bit cause the valves to bend. so why we have it down i plan to have the heaqd ported and polished and change the cams to make a little more power
I'd hate to see the bill on this one.
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post #11 of 14 (permalink) Old 07-11-2007, 06:10 PM
 
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well, you know what the problem is, now to fix it.
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post #12 of 14 (permalink) Old 07-11-2007, 08:03 PM
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well, you know what the problem is, now to fix it.
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post #13 of 14 (permalink) Old 07-18-2007, 06:20 AM Thread Starter
 
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well i have the head worked but the bad news is that i pulled the oil pan off and found little gold specks in there not much i put the tip of my finger in there and most of it came up. i know it spun a bearing i will have to pull the rods off to see if it damaged the crank. my buddy has a 05 gsxr 1000 motor that i am thinking of buying i want to know if any knows if my tiforce exhause of my 04 will fit the 05 motor if i was to put it on my bike
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post #14 of 14 (permalink) Old 07-18-2007, 07:31 AM
 
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check your chain too, my chain was shot and it would slap so much that it could bounce the RPM up and down by about a grand.
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