hey guys, last summer i got an 81 srx for free!!!! from a friend, the mag side is blown, it has only 3000 and some km's....... im trying to figure out if it is a matching numbers stock sled or not, like if the cdi is changed, or other things factory changed. i know it has a little blot at the front of the motor to ajust it, and i think that was an update?.....
tunnel: 8M6-001208
crank case: RT437-001208
.....buut, the R and T on the crank case looks messed up, they look over stamped, everything else is fine,
can you guys help me out?
matching numbers?
matching numbers?
YAMAHA ALL THE WAY!!!!
Sleds
2001 srx 700 (bender can)
1998 vmax xt 600
1991 exciter 570 (bender pipe)
1981 srx 440
Sleds
2001 srx 700 (bender can)

1998 vmax xt 600
1991 exciter 570 (bender pipe)

1981 srx 440
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- Posts: 222
- Joined: Mon Mar 03, 2008 12:08 pm
Re: matching numbers?
THATS A NUMBERS MATCH 81. THE LOWER END WAS NOT UPDATED. STARTING PID # IS RT437-000101 3:16 (yammie tony)
Re: matching numbers?
Talking with Phil these are his thoughts.
Sent at: Fri Feb 03, 2012 9:25 pm
From: opsled
To: Vmax540
My best guess without seeing a pic of the #'s.
For starters all the 81's I've seen with the original mag housing are stamped---
RT437-XXXXXX with letter/numbers that measure about 1/4" tall.
I'm thinking his has had the mag housing updated and whoever did it only had a number set and tried to make an R and a T using a 1 and a 3. It probably just didn't work well for them. The height of his numbers might be more telling.
Or??????
Phil (opsled)
Sent at: Fri Feb 03, 2012 9:25 pm
From: opsled
To: Vmax540
My best guess without seeing a pic of the #'s.
For starters all the 81's I've seen with the original mag housing are stamped---
RT437-XXXXXX with letter/numbers that measure about 1/4" tall.
I'm thinking his has had the mag housing updated and whoever did it only had a number set and tried to make an R and a T using a 1 and a 3. It probably just didn't work well for them. The height of his numbers might be more telling.
Or??????
Phil (opsled)
https://www.youtube.com/watch?v=PFb6NU1giRA
"I prefer dangerous freedom over peaceful slavery." Thomas Jefferson
"I prefer dangerous freedom over peaceful slavery." Thomas Jefferson
Re: matching numbers?
ill try to get out and get some pictures todayy
YAMAHA ALL THE WAY!!!!
Sleds
2001 srx 700 (bender can)
1998 vmax xt 600
1991 exciter 570 (bender pipe)
1981 srx 440
Sleds
2001 srx 700 (bender can)

1998 vmax xt 600
1991 exciter 570 (bender pipe)

1981 srx 440