FZ1-2008, gear, exup, servicemanual, oil - Yamaha Forum : Your Yamaha Motor Products Community & Resource
 
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post #1 of 2 (permalink) Old 07-31-2009, 04:29 AM Thread Starter
 
Join Date: Jun 2009
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FZ1-2008, gear, exup, servicemanual, oil

Hi guys, I love my FZ1

My FZ1N-2008 runs 220 km/h in 4gear and only 230 km/h in 6gear. I am always sitting upright and have a nofat bodyweight of 90kg.
I want to optimize the acceleration 0-220 km/h, how to?

The EXUP servomotor do not close the valve. Always the valve is open. If I put the valve to close position before ignition on, the servomotor will open the valve and stay full open. How to test/repair EXUP servomotor?
I need a service-repair-manual for my model. Please send the manual to [email protected] -thanks very much guys.

How to get a smooter gearshift? When the engine oil is hot, I miss some gearshift because the gearbox feels in bad sync. When the engine is cold, the gearshift feels good. Maybe I use wrong engine oil, I use "Motorex TopSpeed synthetic 10W/40". Maybe half-synthetic is better? Which oil is the best?

Sorry for my bad English :-/
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post #2 of 2 (permalink) Old 07-31-2009, 07:17 AM
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Join Date: Oct 2007
Location: indiana
Posts: 1,349
 
I'm not sure what the first question is asking possibly changing the gearing will help in acceleration .

the second question about the exup , it has a warning light if not functioning properly. yes it is probably normal for the valve to be open when the bike is at idle.
the exup changes or regulates the volume or diameter or the exhaust while the bike is climbing through the rpms or accelerating . no reason for it to be full closed during idle.

the third question
try switching to the other optional viscosity of motor oil listed in the owners manual.
try 20-40 at the next oil change and see if it helps.
most yamaha's I've owned are very picky and seem to run better with certain weights and brands of motor oil.
obviously other problems are possible with your clutch or transmission, but changing to yamahlube20-40 at the next oil change is a cheap way to try to rectify the situation.

David
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