Yamaha TRX850 Enthusiasts Forum

I got my hands on a spare engine and is trying to find out what yearmodel it can be.
Do you guys know or can make a guess from my engine number?
4UN-004652.
Thanks.
Rgds Tomas

http://www.trx850.com/phpBB_forum/viewt ... vin+number

here you go..
4UN being Europe
4NX being Japanese
4XG being Australian
Have an idea ones that went to somewhere like Sweeden or Iceland or over that way somewhere may have a different number too
I was close Switzerland and Austria 4VN

cobbadiggabuddyblooo wrote:http://www.trx850.com/phpBB_forum/viewt ... vin+number

here you go..
4UN being Europe
4NX being Japanese
JYA being Australian
Have an idea ones that went to somewhere like Sweeden or Iceland or over that way somewhere may have a different number too

Thanks Cobba. But not really what I was looking for.
I´m trying to find out about the engine number 004652 what yearmodel it belongs to, if it can be done.
For example, did they produce the first 1000 engines (001000) for the 1995 japan model,
next 1000 (002000) for the 1996 yearmodel and so on. Hope this makes sense what I look for.
If you guys with original bikes know what engine number you have and yearmodel, we might get a hint from that
Rgds Tomas

Judging by the number, I would say it's a 96. Mine's a 98 with engine number 15000 something. I also believe that black engined Japanese models didn't have engine numbers, only frame numbers.

Why do you want to find the year of it?

drix wrote:Judging by the number, I would say it's a 96. Mine's a 98 with engine number 15000 something. I also believe that black engined Japanese models didn't have engine numbers, only frame numbers.

Why do you want to find the year of it?

Yours a -98 and have a number over 15000, god damn, did they make so many of them.
My TRX850 is an early -96 with engine number 000115. I had hoped this spare one would be at least a 97.
But making that high numbers already in 98 mine is probably a late -96.

Checked the valve clearances which was very positive though. All of them was spot on by the book.

cobbadiggabuddyblooo wrote:http://www.trx850.com/phpBB_forum/viewt ... vin+number

here you go..
4UN being Europe
4NX being Japanese
JYA being Australian
Have an idea ones that went to somewhere like Sweeden or Iceland or over that way somewhere may have a different number too

I was close Switzerland and Austria 4VN
Early models upto 87 suffered from softer valve seats that chewed out and closed clearences around 50,000KM. (not valve stretch as some have believed)
If it's a spare it may be worth your while checking clearences or cleaning the head up and reseating the valves.

Mine was first registered in March 1997 and is engine No. 4UN 005533.

Don't know if that helps at all.


Mark.

cobbadiggabuddyblooo wrote:

cobbadiggabuddyblooo wrote:http://www.trx850.com/phpBB_forum/viewt ... vin+number

here you go..
4UN being Europe
4NX being Japanese
JYA being Australian
Have an idea ones that went to somewhere like Sweeden or Iceland or over that way somewhere may have a different number too

I was close Switzerland and Austria 4VN
Early models upto 87 suffered from softer valve seats that chewed out and closed clearences around 50,000KM. (not valve stretch as some have believed)
If it's a spare it may be worth your while checking clearences or cleaning the head up and reseating the valves.

mine is 4XG ?

should have put my glasses on. 4Xg is Australian

My original motor was a 7/1996....with engine numbered 4XG000455
Black with black frame.

Now motor is from a 04/1999 build with motor number 4XG002042
Hope that helps.

Our numbers are lower than Sanddune51...maybe we had the early motors.

Thanks for the info.
It seemes to be a bit more clear now.
Looks like they have production numbers by the region codes according to your info here.

4UN I guess had made around 5000 bikes in 1996 and just about the same amount in 97 and 98.
That would line up with your numbers drix.

4XG seemes not to have that high production through the years.

My 96 frame is 50001 I believe.

Info bellow taken fron the French TRX forum:

ROUAULT a écrit:
je savais bien que sa avait déja était fait
tiré d'un topique de septembre 2008
que les nouveaux mettent la liste à jour
c'est classé par numéro, partant de l'idée que si vous avez un numéro ancien pour une date d'immat récente c'est qu'elle n'a pas été immatriculée tout de suite .


Francky83 08/02/1996
TB 02.02.96 carte grise 13.02.96 156000km
trx marlboro 17 mai 1996 n° 1749
Legolas n°2123
rasta rocket/jojo n°2252 05/03/96
ALAIN 22/03/96
christophe 31/10/1996 n° 2261 un peu + de 100000km
EnyxKudo 15/02/1996 n°2262
Pouffyass immatriculée le 30/04/1997 N°2267
thunderace 2273 09/04/1996
Trazom 15/06/1996 2312
Nyavan 20/02/96 avec le n° 2319
Nico66 29/01/98 n°2378
Clin d'Phare 05/02/1996 2379
le zebre 1°mc 09\02\96 n°2394
Motobobo 09/02/1996, N°2402.
Sweeeeet 16/02/96 2687
Crevette 16/02/1996 2709
Marc trx TR6X 24/02/1997 n° 2713
didg 09/10/1996 n°2715
Linfah 09/02/1996 2719
wallygator 08.02.96 n° 3449
Titi92 (tu gardes ce pseudo?..) 07/03/96 n° 3450
gégétrx89 ma premiere (bleue) 03/02/96 n°3485
nix n°3502 volée!
caliméro 23/04/96 num 3522
cram 17/09/96 n°3816
joebarbus 07/06/1996 3923
voisin manu90 n°4737 1mc 13/02/96
Clin d'Phare 13 février 1996
olivieeeer n°4742 mars 96
jojo Trixipist'(ex-Niko) est de 18/03/96 n°4766
yamaya 07/03/96 n°4768
brun2a 20/03/96
matrixie 4801 09 04 1996
ALF 09-05-96, et72000km
l'arrache 24/05/96 N°4809
Marc trx Slide Vicious Maléfique 21/05/1996 n° 5024
TONY 29/05/1996 N° 5026
twini 27/09/1996 *5065
Nounours 20/11/1996 5105
PtitLu 22/04/1996 n°6010
Tonytrix Trix bleu R1, jantes blanches 09/05/96 n°6039
l'aquillia 28/10/1996 N° 6049
Le Ché (ex TonyTrix Ma new Trix, ex GB TEAM) 18/07/96 n°6173 58000 Km
Ladybird 21,217 kms depuis le 09.08.1996 (n° 6231)
ketch'up! 13/07/1998 numéro 7582 54 000 kms
COBRA 16/07/1996 7748

manu90 26/01/1998 7755
Tirex 07/03/1997 N°9095
STRIKE 02/08/1996 N° 9371 37000 kms
Mouche 13/01/98 N° 9382
Erik 14/02/1997 N°9386 et 35.000km
1050 18/07/1997, et n°9411
Paco 15/04/1997 n°9422 et 43000
benoît 06/06/96 n°9687 et 28500KM
Olivier 1er mc 12/07/96 n° 9688
kolonel 08/11/1996 9733
olive (1,9D) 02/05/96 numéro 9866 67,000 km
vincebzhtrx numéro 11798 22 mai 1996
HP 02-08-96 n°12063
boboss n°12073 01.08.96
fada13 2/8/96
ROUAULT 19/09/1996 N° 12239 53000km
Sp!ke 15/07/1996 12247 123 800km...
sweeeet(ex kiki) 21/06/1997 12306
twini 24/07/1996 n°12236 64078kms

Shadazar 21.02.97
l'baf 28.02.97
trixiemylove 03/97
pierre 11/04/1997
jaydie 08/08/1997 n°13332
jojo TrixiRed 28/07/97 n°14268
Phil19 07/11/1997
Andy Dufresne 05/03/99 N° 15577 36000 kms
Invité (Fév 13, 2005 11:53) 25/06/1998 n° 15587
cristrx 03/07/1997 numero 16045
ketchup! 23/06/99 n° 16208 65 000 kms
grub 02/10/1997 N°16347 74 856 Kms

TRIX_36 06/98
jojo Trixirout' 29/03/2000 n°107370 (?? ce doit être 17370 non?)
gégétrx89 actuelle (rouge et noire) 17/12/99 n°17721
yan 23\03\2000
BTWIN n° 17733 18/05/2000
Godzilla 9/12/99 Numéro 17788

Generally, it's user name, date of first time put on the road and frame no. (Generally close to the engine no also) and in cases, engine no as well. This should give you a rough idea

Rule of thumb is the smaller the older the bike. Date put on the road is not the ideal indicator as some TRXs could've been sitting in a dealers for some time...

Mine is a grey import from Japan to Australia where it is now, Black engine on white frame+wheels.
Engine number is 4NX - 001734, I'm pretty sure its a 95 or 96

EDIT: Just did some checking and mine is most definitely a 96