Question about 2001 Yamaha FZS 600 S Fazer

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Plug recommendation? Putting in new plugs in the bik, throttle body calibration... I have spec'd out The Yamaha Race Plugs, spec'd to heat temp ran on bike. Mybe to much as mine is street. I have spec'd out Surface Discharge plugs (75$ each ) Might be to much but she only get the best... I have spec'd out the stock offering, and that's that... Any thoughts

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Have you tried the NGK Iridium plugs? They're good and reliable, not too expensive, and I don't believe those $75 plugs are that much better than these... If you don't like NGK, Denso also makes them...

Posted on Nov 10, 2008

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Tdm 900 problems


Hi, Anonymous and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition and leaking check for spark leakage in the dark.
3. Spark plug gap too close or too wide.
4. Faulty ignition coil, module, and or sensor.
5. Battery nearly discharged.
6. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
7. Intermittent short circuit due to damaged wire insulation.
8. Intake air leak.
9. Water, dirt, or rust in the fuel system, fuel pump and/or filter.
10. Old dead or bad fuel.
11. Faulty fuel pressure regulator
12. Pinholes in the in tank plastic convoluted tubing from the pressure regulator to the quick disconnect check valve.
13. Fuel tank vent system plugged.
14. Throttle body controls misadjusted.
15. Damaged throttle body or intake seals.
16. Loose, dirty, or corroded ignition module connector at crankcase.
17. Faulty MAP, CKP, O2, and/or CMP sensors.
18. Incorrect valve timing.
19. Weak or broken valve springs.
20. Damaged intake or exhaust valve.
21. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
Yamaha TDM
Yamaha TDM 900 really that bad
http://www.yamaha-tdm.cz/download/5PS1_AE1.pdf
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-tdm-owners-manuals

Jul 06, 2014 | 2004 Yamaha TDM 900

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I have a 2008 Yamaha ttr 230 The bike ran fine last fall. I ran it this spring and now it stalls as soon as I give it some throttle. It seems to idle fine


slight buildup in the jets will do this. I recommend 9$ seafoam 1/3 can to 1 tank of gas for three times in a row .this works 90% of the time before spending $$$ at a shop.also put a new spark plug even though it starts the old one could be fowling out.

Jan 26, 2013 | Motorcycles

1 Answer

2003 r1 miss fire has 3 fault codes on clocks but don't no what they mean


Hi, Wesley and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition and leaking check for spark leakage in the dark.
3. Spark plug gap too close or too wide.
4. Faulty ignition coil or CDI box.
5. Battery nearly discharged.
6. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
7. Intermittent short circuit due to damaged wire insulation.
8. Intake air leak.
9. Water, dirt, or rust in the fuel system, fuel pump and/or filter.
10. Faulty fuel pressure regulator
12. Fuel tank vent system plugged.
13. Throttle body controls misadjusted.
14. Damaged throttle body or intake seals.
15. Loose, dirty, or corroded CDI box plug.
16. Faulty MAP, CKP, or O2 sensor.
17. Incorrect valve timing.
18. Weak or broken valve springs.
19. Damaged intake or exhaust valve.
20. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
Yamaha Fault Codes motorcycle manuals
R1 Fault Codes
https://r1videos.files.wordpress.com/2011/04/2002-2003-yamaha-r1-service-manual.pdf
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

May 26, 2012 | Yamaha YZF-R1 Motorcycles

1 Answer

Seems like carbs are flooding lots of gas and wont run right


Hi, Anonymous and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition and leaking.
3. Spark plug gap too close or too wide.
4. Faulty ignition coil, module, and or sensor.
5. Battery nearly discharged.
6. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
7. Intermittent short circuit due to damaged wire insulation.
8. Intake air leak.
9. Water, dirt, or rust in the fuel system, fuel pump and/or filter.
10. Fuel tank vent system plugged.
11. Throttle body controls misadjusted.
12. Damaged throttle body or intake seals.
13. Loose, dirty, or corroded ignition module connector at crankcase.
14. Faulty MAP, CKP, O2, and/or CMP sensors.
15. Incorrect valve timing.
16. Weak or broken valve springs.
17. Damaged intake or exhaust valve.
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have nice a day.
Hard start Backfires The FZR Forum
How to Clean Motorcycle Carburetor the RIGHT way Evan Fell Motorcycle Works
https://www.tradebit.com/filedetail.php/2864660-yamaha-fzr-600-service-repair-manual-pdf
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

Apr 08, 2012 | 1989 Yamaha FZR 600

1 Answer

I have a 1985 Yamaha maxim that hasn't been ran


Spray starter into the carb intake with no choke, if she runs for a few seconds then you know its fuel starvation
clean jets & airways & blow through with compressed air

Nov 20, 2011 | 1985 Yamaha XJ 700 S Maxim

1 Answer

04 r1 race baffle k&n air filter ,bike surges at 4500rpm 1st pot on 2 , 2nd pot on 4, and 3rd pot on 1.please help! I have a fi2000r.


Hi, Tom and the usual suspects are:
1. Extremely lean fuel mixture.
2. Dirt, rust, water, or ethanol sludge in the fuel system.
3. Sticky throttle cables.
4. Multiple carburetors not in synchronization.
5. TPS sensor out of adjustment or faulty.
6. Wrong spark plugs for the type of service.
7. Throttle bodies not in synchronization (FI)
8. Faulty O2 sensor.
9. Clogged, stuck, or faulty IAC valve.
10. Aftermarket components not compatible with ECM.
For more information about your issue and valuable "FREE" downloads that you will need please click on the websites below. Good luck and have a nice day.
http://www.r1-forum.com/forums/104-04-06-r1-mechanical-help/298915-04-r1-4500-5000rpm-idle-surges.html
The dreaded surge while cruising low rpm Technical Mechanical Problems
2004 2005 Yamaha YZF R1 Service Manual R1 Moto Data Project
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Jul 28, 2011 | Yamaha YZF-R1 Motorcycles

1 Answer

My 1986 fzr 400 runs lumpy,its had a full service and the carbs balanced .i suspect the silencer ,any ideas please


Hi, Parkinsonden the first thing I would do is take it back to where you had the service done and politely demand satisfaction otherwise the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking.
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Intermittent short in the ignition circuit due to damaged wire insulation.
10. Throttle body seals or gaskets leaking.
11. Water, dirt, or rust in the fuel system or filter.
12. Faulty fuel pump or pressure regulator.
13. Fuel tank vent system or lines plugged or kinked.
14. Throttle body controls misadjusted.
15. Damaged throttle body.
16. Incorrect valve timing due to loose, worn or broken timing chain.
17. Weak or broken valve springs.
18. Damaged intake or exhaust valve.
For more information about your issue and valuable "FREE" downloads that you will need please click on the websites below. Good luck and have nice a day.
93 fzr600 hi rpm full throttle miss cuts out The FZR Forum
View topic FZR 600 1991 is ruuning rough
https://www.tradebit.com/filedetail.php/2864660-yamaha-fzr-600-service-repair-manual-pdf
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

May 16, 2011 | 1989 Yamaha FZR 600

1 Answer

I have a 98 yz125, i race it but seem to have a lack in power in certain areas, ive changed my jetting a few times but seem to find the power else where and NOT where i need it, as of rite now im running a...


I would first make sure the power valve is decarboned and moves smoothly. Jetting is trial and error as so many things can affect the mix. Temp. humidity, gas quality, oil ratio etc. Tht being said you can make small changes and keeping a log with results. First write down baseline settings. Include main jet and pilot jet numbers found stamped on the jets and needle number. You don't say where it is you are trying to get power. 125s have poor bottom mid power, it is all on top for racing. Don't change and race or you may keep going when you should stop and melt something. Try to test at the altitude where you will race and read the plug often, cleaning or changing the plug between tests. Be alert for the surging feel of lean mix with racing idle do not let this continue. Remember 0 to 1/4 throttle, pilot and needle base width. 1/4 to 1/2 throttle controlled by needle mid taper. 1/2 to 3/4 throttle needle tip and main. 3/4 to full is the main jet. Find out the stock settings and make sure to start near there. I don't know about a spes pipe but pro circuit has charts for jetting and maybe a support line. I really feel you will get more from a clean powervalve, repack the silencer, clean airfilter and maybe v-force reed. Gearing can offer some options. I just read about a James Dean jet kit for cr250 that puts more power in the low mid. I might try that for my bike. Good luck, just remeber " too lean, too long- too bad"

Apr 06, 2011 | Yamaha YZ 125 Motorcycles

1 Answer

Spark plugs ar carboning


is it burning to much oil??? is the carb in tune?
you could try a hotter plug,,this should stop it guming up on you

Jun 03, 2010 | 2003 Yamaha YZ 125

1 Answer

03 vstar 1100 idles good runs bad under throttle. Changed plugs,cleaned carbs on bike.Pulled rubber diaphragm's cleaned with carb cleaner.Bike will turn over but will not fire off.New plugs fouled.Good...


Hi, Cgallops108 and the usual suspects are:
1. Dirt or other foreign matter between float valve and its seat.
2. Float valve sticking.
3. Float valve and/or valve seat worn or damaged.
4. Float misadjusted.
5. Float cracked, leaky or damaged.
6. Excessive "PUMPING" of hand throttle grip.
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.
06 vstar 1100 carb flooding
Yamaha star 1100 heat soak flooding
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2000/LIT-11626-13-36_96.pdf

Mar 21, 2010 | 2001 Yamaha V Star 1100 Classic

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