Trail blazer help

[dave37r]

Hi all i recently purchased what i thought was 2003 trailblazer 400
That was until the motor played up (balance shaft and water pump problems)
when i removed the engine i discovered it is a 350
I have run the vin and found it to be a 1999
Vin is 4XABA25C1XC123746
Can anyone help out
Thanks

[old 99 sport]

should be 378 cc two stoke they call it 400 as far as i know polaris didnt make a 350 cc two stroke or four stroke engine. i have a 1999 400 sport same as trailblazer,they called them sport in 1999 .i have done lots of mods over the years,this quad is fast and motor has been bullit proof,and i never ran it easy.i hope this is the motor you have,rebuild it you will have a motor to last for years.

[4getful2]

You should pm blueline15 he has access to the vin numbers and can find out for sure what you have.

Polaris did have 350's in some of the older stuff, mainly utility's. it shared the same case as the 400

[wools1]

sorry to tell you that y got ripped off you have a 99 250 trail blazer that someone stuck a 350 trail boss engine in
digits 6 and 7 are engine code 25= 250, 38= 378 aka 400
tenth digit is year a=80 y=2000 no vowels in code