im not sure but check with your local shop
The engine size is Yamaha WR500 in a 1993 waverunner, the engine size is right in the name of the jet ski.
You find the engine size in the name 1993 Yamaha wave runner model WR500, WR500 being the engine size.
It looks like this is a 1993 model.
2-Cycle Engine oil.
24:1 or 32:1 the richer the longer the life i like 24:1 for my 1993 yz250
yer hi , im not sure if this will help you out but i have put a 1993 yz 250 into a 2001 yz250 I had to change the engine mount guides between the engines and the older engine in the newer frame didnt have the top egine mount but otherwize went well , Up against a 2003 kx250 my hybrid floged the for stroke
Yamaha Wave Blaster was created in 1993.
34ftlb is the torque for 1993 Yamaha xj600s. I am giving the linkthat will increase the knowledge about bikes.