Question about 2005 Yamaha yZ 450 F

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Iv got a yzf 450 year 04.05. When it's throttle

Yzf 450 year04.05

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  • Yamaha Master
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Hi, Tharrow1 for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
YAMAHA YZ450F Owner Service Manual
OEM parts for Yamaha
http://www.yamaha-motor.com/assets/service/manuals/2004/lit-11626-17-11_784.pdf
MXA PERFORMANCE GUIDE TO THE 2011 YAMAHA YZ450F
Yamaha YZ 450 FV 06

Posted on Aug 10, 2016

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: yzf 450f `04 exhaust pipe glows red --believe it to be lean burn

They will all glow red when you let them idle for a couple minutes. The timing is retarded at idle I believe. Once reved up they will cool off. I figure best to give them a little rev once and a while to help prevent this.

Posted on Mar 19, 2009

MakisRC51
  • 408 Answers

SOURCE: over filled oil yzf 450

Open the air box,clean it from extra oil,renew the air filter if you have to and without the air box-air filter (or opened) try to start the bike while sraying with a carb cleaner spray through the air box towards the carbs.Don't spray too much.Little bit each time and do not twist the gas grip.Choke it too if you want.It may help.Of course before all that set the oil level to normal.

Posted on May 26, 2009

MakisRC51
  • 408 Answers

SOURCE: will o4 yzf 450 muffler fit my 07 yzf 450

Exhaust : 0.20-0.25mm (0.0079-0.0098")
Inlet : 0.10-0.15mm (0.0039-0.0059")

Posted on Jun 01, 2009

unclefot
  • 1 Answer

SOURCE: How to check my oil level on 04 Yamaha yzf 600

YZF600R is a carbureted model. OIL: The oil sight glass is a round window, low on the right side. Very hard to try to see when astride the bike, even if you use a mirror on an extension rod. Have a friend hold the bike level,perhaps, while you check. Oil should be sighted after the bike has been sitting for a time after riding. I suggest using a good 10W-40 regular motorcycle oil (Least expensive around here in Boston is to buy Kawasaki by the gallon at Riverside) I found the pesky 1st-to-2nd shift to be more direct with this oil than with synthetic. I had plenty of opportunity to compare the two types. GAS: No reserve, but as noted, there is a low fuel light, in the row of lights that includes the neutral light and the high beam indicator. You ought to be getting over 50 m.p.g., so you can estimate your 'range' from that. I usually fill up again around the 180 mile period. I think I've seen the low fuel light once in 6 years of ownership. OH: I suggest you treat the gas, on a regular basis, with 'marine' Stabil, not the regular stuff. I have had a 'gummy' Yamaha Virago 250 to care for, that I thought would never clear its fuel problems. Last winter ('08-'09) stored it with the marine Stabil in the tank and run for a while to get it into the carbs also. Within a few minutes of running it this spring-actually a couple weeks ago- it smoothed out and has run fine since. I believe this HAS to be as a result of the treatment of the fuel (run through the carbs before the winter storage) with this special Stabil. It was recommended by Carlo at Riverside- I'll have to remember to thank him for the advice. N.B. I always change the fuel (siphon it out, put that Stabil'ed but 'old' stuff into my car tank, refill the bikes with fresh 93 octane) each Spring.

Posted on Aug 17, 2009

  • 101 Answers

SOURCE: Carb Sync on an 01 YZF 600R

Here is a diagram showing the tubes you connect your vacuum gauges to.
http://216.37.204.203/Yamaha_OEM/YamahaMC.asp?Type=13&A=326&B=11
The YZF600R is carbureted, so I do not know what you mean by throttle body adjustments.
Synchronizing carburetors means adjusting the throttle plates (butterflies) so that all cylinders are drawing the same amount of vacuum.
Here is a diagram of the carbs. Screw #31 is the screw used to change the sync.
http://216.37.204.203/Yamaha_OEM/YamahaMC.asp?Type=13&A=326&B=13
Remember one other key point, all carbs are sync'ed to the #3 carb. You cannot change the vacuum (directly) on #3. It is usually best to start by syncing #2 to #3, then #4, then #1. Changing #2 can affect the sync on #1 so you definitely want to do 1 after 2 no matter what. If you have one cylinder WAY out of sync, that would be an exception to the previous rule where you would want to attempt to get that cylinder in the ball park of the others before fine tuning each cylinder.
Syncing the carbs is an alternating process between adjusting the vacuum then adjusting the idle. If they were out of sync, bringing them back in, or even getting close, can cause the idle to raise because the engine isn't fighting itself anymore. Always keep the engine idling @ 1100 rpm's while syncing.

Posted on Oct 05, 2009

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1 Answer

How do i do compression test on 2006 yzf 450 f


Remove spark plugs. Insert compression tester pressure pipe against each plug hole in turn. Spin the engine for 15 seconds whilst holding the pressure tester in each plug hole. No throttle. The readings should be the same from each cylinder or at least within 1 or 2%.

Jan 12, 2011 | 2004 Yamaha YZ 450 F

1 Answer

Yzf 450 (i think) need to know what year model it is, chassis number JYACJ01C2YA002207


JYA -Built in Japan by Yamaha.
CJ01C - Single cylinder rear wheel drive Moto-x model YZF
2 - Security digit - valid
Y - Year model 2000
A - Manufacturing plant - Determined by Manufacturer
002207 - Bike number 2207 to roll off the line

Sep 11, 2010 | Yamaha YZ 450 F Motorcycles

1 Answer

Can you register a yzf 450 for street use


It would be possible but probably too expensive, there are some private compliance certifying companies that do the compliance plates for many of the low volume imports. but you would need most of the WR electrics and muffler. Easier to start with a WR and fit the YZ cams.
So even if you can find a WR wreck that has the compliance plate and rebuild it with the YZ bits,it would still need the WR;s engine number

Jul 24, 2010 | 2004 Yamaha YZ 450 F

1 Answer

My yzf 450 sat a few months in garage I cleaned


Hi,
The spark plug has shorted.. Just get a new spark plug and all will be well.
Also get new fuel.
Regards
Berry.

Jan 31, 2010 | 2004 Yamaha YZ 450 F

1 Answer

Ride hight and front and back suspension spesifications yzf 450


depends.. set the rear shock to 4 inches of race sag.. the front should be set to the line on the fork

Jul 22, 2009 | 2004 Yamaha YZ 450 F

1 Answer

How often should i adjust valves on 450 yzf 2003


They adjust using shims, that you need to purchase. You can get a kit with various sizes from many after market places. If you race it or ride every weekend, I'd say twice a year, if your hammer the pi** out of it, maybe three.

Jul 07, 2009 | 2003 Yamaha YZ 450 F

1 Answer

I have a 2005 YZF 450. Can I put on a electric


I think that the WR version has electric start, but it may require that the engine cases be changed, pricey!!! Not to mention wiring, battery, and on.

Jul 01, 2009 | 2003 Yamaha YZ 450 F

1 Answer

Will o4 yzf 450 muffler fit my 07 yzf 450


Exhaust : 0.20-0.25mm (0.0079-0.0098")
Inlet : 0.10-0.15mm (0.0039-0.0059")

Jun 01, 2009 | 2004 Yamaha YZ 450 F

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