Sea Doo GTX 657 94 95 96 Cylinder Head Cover 290913711 GTS Jet Ski SPX 278000194 Flywheel but generally I don’t inspect

but generally I don’t inspect the too closely as I already assume that the buyer is going to replace them when performing a rebuild

From the Online Parts Diagrams

Removed from a running engine and in great shape

This will replace 78890

Sea Doo GTX 657 94 95 96 Cylinder Head Cover 290913711 GTS Jet Ski SPX 278000194 Flywheel but generally I don’t inspectItem Details This was off 1994 GTX Three Seater with a 657 Will work on many years and models. Measured 17" Please ask if you need help figuring out if this will work for you. The Part # of the cylinder head cover is 290913711 or 290913710 Temp Sensor #278000194 Good working condition. Yours should look like this one. Please let me know if you have any other question on this unit. Please ask if you are unsure if this part will work for you. Please