2002.
I used the source link to decode
Suzuki Tu250X model. Year pass.
1985 Suzuki LT250R
1997 Suzuki LT-4wd
2002
1990
Model year 1992
The Suzuki engine number K428-144497 typically corresponds to a 1978 Suzuki Kettle model, specifically the RE5, which is known for its unique rotary engine design. However, to confirm the exact year and model, it's advisable to check with a Suzuki dealership or reference a detailed Suzuki motorcycle database.
The serial number RJ12A-102556 indicates that your Suzuki RM250 is from the year 2002. Suzuki uses a coding system where the "RJ" prefix is associated with the 2002 model year. You can confirm this by checking the bike’s specifications and features that align with that model year.
2000 Suzuki LT-F250
A Suzuki with the model number 00994 is a year 88 model. This means that in 2014, the car is 25 years old.
o7 plate
The engine number R731-110979 indicates that it is from a Suzuki GSX-R model produced in 1993. Suzuki's coding system for engine numbers reveals that the "R731" prefix corresponds to that model year.