97 spx

[bigand2470]

My seadoo wont start. It has good spark. When i try to start it it back fires and wont start it dont back fire all the time just every once in a while. Im new to seadoos and dont know where to start. Anyone have any ideas on what to do i would greatly appreciate it

 

[Matt Braley]

Start with a new set of plugs(BR8ES)

Next would be a compression test.

I'm assuming it has a fresh battery in it. When did it run last?

 

[bigand2470]

Start with a new set of plugs(BR8ES)

Next would be a compression test.

I'm assuming it has a fresh battery in it. When did it run last?

Yeah it has a fresh battery in it. I will go get some new plugs for it im hopeing to do compression test in it tonight

 

[bigand2470]

What is a good compression it should be testing at

 

[mikidymac]

150 psi is perfect at 120 they need rebuilt. Under 120 they typically are hard to start in the water.