Less Power

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Jan 8, 2007 | 06:21 AM

mervyn

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Less Power

Hey people, can anyone help me figure out the following?
My CBR900 has done around 51000kms and was just serviced with plug change and oil change done (according to service manual). I have now noticed that the power does not have the power it used to have. before i didnt have to give full throttle for it to speed up but now on a flat stretch and on third gear i have to give full throttle then it only slowly climbs 140-150kmph. there is definite lack of power and pickup. could it be the plugs? could they be fake? How do you tell? its NGK and plug number is according to manual.
More so, what is the reason for the lack of power????
Look forward to your responses.... at the same pls tell of best plugs to use (both in standard and iridum plugs)

Jan 8, 2007 | 09:03 PM

DevenJames2005

Joined: Jan 2007

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RE: Less Power

You need to make sure your plugs are gapped correctly. If they arent you wont get the right spark. Check in a service manual to get the proper gap range

Jan 10, 2007 | 01:33 AM

KingMushroom

Joined: Jan 2007

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From: Milwaukee, WI

RE: Less Power

Yes, double check your gap and make sure you're not using too much oil. Make sure your plugs are seated all the way as well.

Jan 11, 2007 | 08:57 AM

mervyn

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RE: Less Power

ok i will check the gapping and whether it sits all the way down. what implications would having too much oil have???

Jan 11, 2007 | 04:29 PM

cloudbreakmd

Joined: Jan 2007

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RE: Less Power

To much oil can cause the bikes engine to run without optimal lubrication. Funny sounding yes, but true. Also it can cause your speak plugs to foul (be coated with oil) as well. Good luck.