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  1. Joejohn1

    Starting My jetboat parts ad: 1998 speedster sk part out

    Do you have a mpem for 1998 challenger 1800. As I am looking for one. If you know of one available please let me know. Email: Joejohn1@live.com
  2. Joejohn1

    1998 Seadoo challenger 1800 both engines won’t start

    I have problem with my challenger 1800 both engines won’t start. Looks like it’s not getting spark. I crank engines and don’t see any spark. What would control spark to both engines? Could it be the computer “ mpem”? I checked coils and resistance was .6 ohms. Which shows that the coil Primary...
  3. Joejohn1

    1998 challenger 1800 - Fuel baffle Unit

    1) In, 2) RES, 3) RET 4) Vent labeled on baffle. 1) I have one line to driver side motor going to fuel pump that has fuel filter on it. 2) I have another line going to passenger side motor to fuel pump with a fuel filter on it. 3) I have another line goes to I believe Vent on tank. 4) I have...
  4. Joejohn1

    1998 challenger 1800 - Fuel baffle Unit

    Joejohn1 I have a 1998 seadoo challenger 1800 with twin engines. I pulled the Fuel baffle unit Out of Gas tank and didn’t label the 4 lines that were attached to the top of the baffle. Can anybody help? Marking on baffle for four line 1) IN, 2) RES 3) RET 4) VENT. Can somebody take a picture of...
  5. Joejohn1

    I have a 1998 seadoo challenger 1800 with twin engines. I pulled the Fuel baffle unit Out of Gas...

    I have a 1998 seadoo challenger 1800 with twin engines. I pulled the Fuel baffle unit Out of Gas tank and didn’t label the 4 lines that were attached to the top of the baffle. Can anybody help? Marking on baffle for four line 1) IN, 2) RES 3) RET 4) VENT. Can somebody take a picture of these...
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