strange noise

**Tue May 08, 2007 9:59 pm » Post: #1 » Download Post**

took the bike out tonight after it being out of order for 3 weeks warmed it up and set off when i stopped at the lights and reved it a bit it sounded (the only way i can describe it) like a jet engine wooshing type of noise when it was reved i have no clue as to what the noise is has anyone had anything like it ?

**Wed May 09, 2007 7:10 am » Post: #2 » Download Post**

yes mine made that same noise just before the r/h main bearing failed.....

i hope its not the case with yours mate.
good luck Sad

**Wed May 09, 2007 3:48 pm » Post: #3 » Download Post**

it had a new crank 2500-3000 miles ago but you never know.............

is there any guarantee on new cranks andy ?

**Wed May 09, 2007 5:44 pm » Post: #4 » Download Post**

No idea. It was brand new from TYGA, as you know.
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Andy.
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**Wed May 09, 2007 5:44 pm » Post: #5 » Download Post**

Was it one of the repro cranks or a real one Andy?
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If I have to take the carbs off once more...

**Wed May 09, 2007 5:47 pm » Post: #6 » Download Post**

No, it was brand new Steve.

No reason why that shouldn't be good for 30,000 kms.
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Andy.
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**Wed May 09, 2007 7:37 pm » Post: #7 » Download Post**

only asked you mate because you seem to deal with tyga a lot. dont think it will be the crank anyway. just speaking with roy and it came to me what it mite be will tell you when i have a look when it stops pissing down...........

**Wed May 09, 2007 11:31 pm » Post: #8 » Download Post**

Not the water pump or water pump drive gear?
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Andy.
NSR-WORLD.COM

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**Thu May 10, 2007 5:45 pm » Post: #9 » Download Post**

i am going to pull the motor apart this weekend just to be safe i will let you know what i find........................

**Fri May 11, 2007 1:47 am » Post: #10 » Download Post**

Andy's got a good point there.

I've had quite a few NSRs that make a fierce whirring noise. Change the water pump bearing and seals and good to go.

The crank 'should' be ok. If it was a new 'un then you shouldn't be having problems with it, unless it was fitting by monkeys.