model

How can one tell please? Its critical as the mechanic here in Trinidad and Tobago is saying we need a new harness and when I look up what I believe the seadoo is (a GTI) It says we have the right harness and ECU...so before I rip him a new one for lying, I need to know FOR SURE, what my Seadoo...

If you read my other post about brass filings, you are familiar with a few of my other posts. Is there any way to tell what year engine you have by the model number? There is also a bar code on my stator cover.My model number is 4773402 and I think it's a 96 sp or spx.