Question about 1991 Yamaha FZR 1000

1 Answer

Valve clearance for FZR 1000 exup

Looking for valve clearance on the intake and exhaust

Posted by Anonymous on

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  • Yamaha Master
  • 43,124 Answers

Hi, Anonymous sorry you can't find the first and best tool you ever bought for your Yahama despair, not for a mere $10 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
http://www.fzrarchives.com/ipb/lofiversion/index.php?t50836.html
Fzr 1000 valve adjustment part 1
https://www.tradebit.com/filedetail.php/243740163-1989-1995-yamaha-fzr-1000-genesis-exup-fzr1000
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

Posted on Mar 15, 2016

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 3567 Answers

SOURCE: glowing exhaust header yamaha wr250f

It won't be valve timing or clearance. The fuel/air mix would be the culprit. Clean the carburetor with special attention to the idle circuit. Remount the carb with new manifold gaskets. A manifold air leak will mess up the mixture. Also, get a new spark plug one heat range colder than stock. Hope this helps out!

Please rate this solution. Thanks!

Posted on Apr 07, 2009

  • 8 Answers

SOURCE: yamaha fzr 1000 exup 1990, bike's been standing

this happens after they sit a while, get her started, get her rolling, put her in second gear, hold the clutch in, get her up to 20 miles an hour, hold a little throttle on and slam on the rear brake, this usually will free up the stuck friction plates. If not try it a couple of times, it has always worked for me, also if that does not work for you you have to take the side cover off of the engine (clutch side) and using a flat headed screwdriver, and a zip tie to hold the clutch lever back to the handle bar, place the screwdriver in between the clutch plates and gently pry them apart from each other, on your bike I believe you have 7 friction plates and 6 steel plates. ( if you have to remove the cover go get a gasket first).

Posted on Jul 05, 2009

  • 7 Answers

SOURCE: clearance for inlet and exhaust valve adjustment

Hi there,

Not sure about clearance levels, but can tell you there is no English manual for the XJR 400 - only Japanese. Try the XJR owners club. It's full of troubleshooting questions answered in the forums.

Hope this helped

Danger :)

Posted on Jul 27, 2009

  • 3567 Answers

SOURCE: 2007 YZ450F - What is the valve clearance?

See the diagram below. Cold, the intake sets at .004 to .006 The exhaust sets at .008 to .010
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Posted on Aug 16, 2009

ckoira57
  • 267 Answers

SOURCE: fzr 1000 exup ru miss fire at 4000rpms

The stator coils and magneto consist of source, lighting and pulse coils. Source coils have two phases or speeds. If the same symptoms apply with as many lights on as you can, you generally have a spot of bother inside the motor. The coils can be tested in situ at a good workshop. If problem is periodically solved with all lights on, your regulator/rectifier and cdi box are suspect. It may also be a case of wrongly sequenced wiring, IE kill switch connected before rectifier or ignition coil wires. The colour connections may be right...just out of sequence. Cheers and goodluck.

Posted on Apr 24, 2010

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1 Answer

Sometimes my FZR 1000 runs great but then sometimes it is powerless and backfiring ....what should I check or look into fixing?


back firing , can mean a lean (popping on deceleration) or a rich mixture backfiring a lot , . check your connections at the headers and your carb to engine , and carb to airbox ... air is getting in , . look at your air filter .... look at your exhaust for blockages ... if this is the exup (power valve ) model then check the valve actuator , as it can lock closed , ... either remove it or wire it open

May 23, 2014 | 1990 Yamaha FZR 1000

1 Answer

How do you find out if my yamaha fzr 1000 genesis 87' is reduced effect or not?


87-89 was a fzr1000 genesis
89-90 was a early exup
and nothing fits either bike exact
the carb air intake on the 87-89 is 44mm
the carb air intake on the 89-90 is 60mm
to make the difference change the inlet manifolds
to the 89-90 specs
you will have to change the carb and air box as well
but you should have the output of an exup
the exup has its name because of the exup valve
located on the collection box on the exhaust
that is there so you can change the exhaust with out
having to jet the carbs up all the time

Oct 19, 2013 | Motorcycles

1 Answer

Diconecting the power valve on a 91 fzr 1000


Hi, Lewis reconnect the power valve and the usual suspects are:
1. Severely drained or faulty battery.
2. Faulty regulator/rectifier or high output coil.
3. Faulty power valve, solenoid or installation.
4. Clogged air filter or exhaust.
5. Cracked or incorrect float level.
6. Float needle is not seating.
7. Faulty reed valve.
For more information about your question and valuable "FREE" downloads that you will need please visit the website below. Good luck and have a nice day.
FZR1000 3GM won go over 4000 rpm The FZR Forum
FZR1000 not revving past 4000
https://www.tradebit.com/filedetail.php/243740163-1989-1995-yamaha-fzr-1000-genesis-exup-fzr1000
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

Jan 18, 2013 | 1990 Yamaha FZR 1000

1 Answer

Missing or breaking down at 7000 rpm once warmed up


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. Intake air leak.
8. Water, dirt, or rust in the fuel system, carburetor and/or filter.
9. Fuel tank vent system plugged or carburetor vent line closed off.
10. Carburetor controls misadjusted.
11. Damaged carburetor.
12. Loose, dirty, or corroded ignition module connector at crankcase.
13. Faulty MAP, CKP, O2, and/or CMP sensors.
14. Incorrect valve timing.
15. Weak or broken valve springs.
16. 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.
http://yamahaforum.com/forums/engine-work/1866-90-fzr-1000-rich-condition-lacking-power.html
92 FZR 1000 carb help The FZR Forum
https://www.tradebit.com/filedetail.php/243740163-1989-1995-yamaha-fzr-1000-genesis-exup-fzr1000
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

Apr 04, 2012 | 1987 Yamaha FZR 1000

1 Answer

Fzr 1000 exup misfire at 4000 rpm


Hi, Jason and 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 check for spark leakage in the dark
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. Dirty air filter.
10. Intake air leak.
11. Water, dirt, or rust in the fuel system.
12. Carburetor damaged, contaminated, sticky float, plugged jets.
13. Multiple carburetors out of sync.
14. Fuel filter clogged.
15. Old or contaminated fuel.
16. Fuel tank vent system plugged or carb vent line closed off.
17. Gas cap diaphragm valve faulty.
18. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
19. Carburetor controls misadjusted.
20. Incorrect valve timing.
21. Valve springs floating, weak, or broken.
22. Damaged intake or exhaust valve.
23. Incompatible performance parts.
24. Control module may be in "LIMP" mode
25. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
fzr 1000 exup misfire
http://www.thegsresources.com/_forum/archive/index.php/t-201687.html
Yamaha FZR1000 Year 1989 Service Manual Download Manuals Technical $10
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

Mar 20, 2012 | 1990 Yamaha FZR 1000

1 Answer

FZR 1000 EXUP missfires above 4500 rpm exup has been welded open any ideas


Hi, Paulo_maryon you need to repair to operational condition your EXUP valve 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. Intake air leak.
8. Water, dirt, or rust in the fuel system, carburetor and/or filter.
9. Fuel tank vent system plugged or carburetor vent line closed off.
10. Carburetor controls misadjusted.
11. Damaged carburetor.
12. Loose, dirty, or corroded ignition module connector at crankcase.
13. Faulty MAP, CKP, O2, and/or CMP sensors.
14. Incorrect valve timing.
15. Weak or broken valve springs.
16. 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.
Misfire frustrating the hell out of me The FZR Forum
https://yamahaclub.com/forums/topic/14532-fzr-1000-exup-misfire
Exup1000 co uk Tech FZR1000R
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

Jun 28, 2011 | 1989 Yamaha FZR 1000

1 Answer

1995 Yamaha FZR 1000 removed power valve she run fine when she got hot misfire started again and doesnt want to tickover then dies


Hi, Davelea1pres put the power valve back in it's there for a reson and the usual suspects are:
1. Idle speed improperly adjusted.
2. Inlet system air leak.
3. Leaking accelerator pump.
4. Loose low-speed jet.
5. Plugged low-speed jet.
6. Contaminated or plugged low-speed circuit.
7. Enrichner valve is not seated or leaking.
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.
Exup valve leave in take out The FZR Forum
fzr1000 FZROnline WIKI
Thunderace Exup valve check
https://www.tradebit.com/filedetail.php/243740163-1989-1995-yamaha-fzr-1000-genesis-exup-fzr1000
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

Mar 01, 2011 | 1995 Yamaha FZR 1000

2 Answers

What are the vlave clearance specs for a 1994 yamaha fzr1000


Hi, Ray sorry you can't find the first and best tool you ever bought for your Yamaha despair, not for a mere $10 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
Valve Adjustment FZR 1000 The FZR Forum
fzr1000 ru valve clearance part 1
https://www.tradebit.com/filedetail.php/243740163-1989-1995-yamaha-fzr-1000-genesis-exup-fzr1000
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

Dec 28, 2010 | 1994 Yamaha FZR 1000

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