Question about 1990 Yamaha TZR 250

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Setting Timberwolf 250 timing

How do I set a 1992 Timberwolf 250's timing

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I think your bike has CDI ignition which means the ignition timing is fixed and cannot be changed. Are you having a problem of some sort?

Posted on Apr 24, 2009

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For timing the line on the valve sprocket goes 12 o'clock on the left side of the machine is a small plug remove it with flat head and line up the t with the hole the t is located on the fly wheel which is visable when u pull the black plug on left side

Posted on Jun 01, 2013

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Reset timing on 1995 250 Yamaha 4wheeler


Hi, Dessie sorry you can't find the first and best tool you ever bought for your Yamaha despair not for a mere $0 you can download another one. 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.
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http://www.yamaha-motor.com/assets/service/manuals/1999/lit-11626-12-45_339.pdf

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Need to find model number to order parts


92-2000 Timberwolf YFB250 all use the same air box, this site gives you all the details you should need

http://www.cmsnl.com/search/index.php?spbmbrand=YA&spbmmodel=Timberwolf++250&spbmvin=

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Yamaha Timberwolf. How can I find model number to order parts


If you can tell me your vin - or your year I can tell you what model you have. But - if you go onto any parts site - such as cheapcycle.com or partsmonster - you name it - you won't need your 'model' # - just your year. You'd click - Yamaha OEM Parts, then ATV then Year - 1992 - 1998 was the Timberwolf - a lot of parts from the 99 - 04 Bear Tracker will work (just about only changed the plastics and carb in 99 - 04) same engine/transmission/rear end, etc. the brakes also went from drum to disc - but you'd click on the year - and then look - the timberwolf will be right there the 1992 - 1998 Yamaha Timberwolf 250 - I can't remember if they offered a timberwolf 350. If you can tell me the vin or year - like I said - I'll reply with your exact model # - but you can buy and order most parts just by model name and year 95 Timberwolf.

Dec 29, 2015 | ATVs

1 Answer

Yamaha Timberwolf. How do I find model number to order parts?


I apologize - my answer to the previous question didn't really clarify your actual question - Your VIN can be found along the frame rail - left hand side - about a foot or so ahead of your left foot guard -

26028714-jbdqfs5232kzbw0rj532ox50-2-0.png

If it's still there - your model number is here:26028714-jbdqfs5232kzbw0rj532ox50-2-2.png

If you can read your VIN - and here's a tip to know you're getting the whole number and it's not rusted away a digit; your second digit should be a (Y) - if you write down your VIN, second digit is Y so you know the placement is right - the 10th digit is the year. And here are the breakdowns for that 10th Digit:

(For all Yamahas - not just the Timberwolf):
88 - J, 89 - K, 90 - L, 91 - M, 92 - N, 93 - P, 94 - R, 95 - S, 96 - T, 97 - V, 98 - W, 99 - X, 2000 - Y, 01 - 1, 02 - 2, 03 - 3

From 1992 - 1998 the Yamaha 250 4-stroke, shaft drive, trail bike was the Timberwolf.

From 1999 - 2004 the Yamaha 250 4-stroke, shaft drive, trail bike was the Bear Tracker.

*****SAME ENGINE, SAME TRANSMISSION, SAME REAR END, TIRE SIZE, PULL START - THINGS THEY DEFINITELY CHANGED IN 1999 WHEN THEY STARTED CALLING THEM THE BEAR TRACKER: - PLASTICS BECAME A LITTLE LONGER I BELIEVE; AND THE SEAT WITHOUT A DOUBT BECAME LONGER. THE CARB WENT TO A CONSTANT VACUUM - INSTEAD OF THE SLIDE CARB WHERE THE THROTTLE CABLE WENT THROUGH THE CAP LIKE THE TIMBERWOLF. HARD TO REMEMBER - BUT I THINK THE TIMING CHAIN TENSIONER BECAME UNADJUSTABLE - AND NOT MUCH ELSE CHANGED. IN 99 THEY EVEN KEPT THE BRAKING SYSTEM THE SAME. SOMETIME AROUND 2000, 01 OR SO THE BRAKE SYSTEM CHANGED FOR THE FRONT WHEN YAMAHA WENT TO DISC BRAKES. HOPE THIS HELPS. ANYTHING ELSE YOU NEED TO KNOW ABOUT YOUR TIMBERWOLF JUST LET ME KNOW - I'VE OWNED, REBUILT, BOUGHT, SOLD, TRADED A TON - I'VE CURRENTLY GOT A 99 BEAR TRACKER THAT IS THE MOST DEPENDABLE 250 4 STROKE I'VE EVER OWNED AND A 1996 YAMAHA WOLVERINE 350 4X4 - I'VE REBUILT THEM FROM THE BOTTOM TO THE TOP. THOSE BIKES ARE GOLDEN IF YOU TAKE CARE OF THEM AND DO A LITTLE ROUTINE MAINTENANCE. ALL THE BEST - JUSTIN MCCARTNEY

THE 99 I MENTIONED THAT I STILL HAVE:
26028714-jbdqfs5232kzbw0rj532ox50-2-5.jpg

A 98 I BOUGHT WITH THE ENGINE IN A MILK CRATE THAT I BOUGHT, REBUILT & SOLD:
26028714-jbdqfs5232kzbw0rj532ox50-2-9.png

A 2004 I BOUGHT, REBUILT AND SOLD:
26028714-jbdqfs5232kzbw0rj532ox50-2-14.jpg
All the best - let me know if you're ever in a jam with yours; not too much I haven't seen, fixed or had to deal with.

Dec 29, 2015 | ATVs

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1994 Yamaha 250 timberwolf piston ring replacement


YAMAHA TIMBER WOLF 250 ENGINE OVER HALL ANN ...

? 3:08
www.youtube.com/watch?v=0fypjxwZV40
May 16, 2010 - Uploaded by omar arriaga
HERE IS MY NEW PROJEC PAINTING MY 250 TIMBER WOLFIM REPARING ... back break replacement on Yamaha timberwolf 250cc tutorial ...

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1 Answer

'92 yamaha timberwolf valve adjustment


Here's the info you're looking for.

1992-1998 Yamaha Timberwolf 2WD and 4WD
Intake: 0.05 - 0.09 mm (0.002 ~ 0.004 in)
Exhaust: 0.11 - 0.15 mm (0.004 ~ 0.006 in)

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250 timberwolf


consult manual this is a little involved need to follow instructions very carefully. Damage to valve can occure when done wrong.

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Need to find serial number on 1997 Timberwolf 250


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My 1992 yamaha timberwolf 250 2wd, wont start. engine overheated due to low oil. engine is not seized, still turns over with good compression. it has spark and in all essence should start


i wonderin if u cooked a valve or not-sed u had compression-did u test it with a gauge-any engine is really sensitive to low oil n heat-physical parts can warp n electrical stuf can fry-tho it dozint appear

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