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  1. FS - Parts PM sent

    PM sent
  2. FS - Parts Yes, I actually have 2 assemblies. You want one?

    Yes, I actually have 2 assemblies. You want one?
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    XR1800 160hp MR1 Conversion

    Yeah, the manual says between 45-47psi.

    So my motor mounts for the XR had a metal plate under each motor mount. Going from memory, that plate I think was 1/8Ē thick. There was also 1/16Ē shims at...
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    Yeah, the FXHO jet ski service manual claims...

    Yeah, the FXHO jet ski service manual claims 45lph max fuel consumption.

    Iím using a cheap off brand fuel pump, High Flow Performance HFP-341. Figured Iíll experiment on something cheap before I...
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    Yeah, on the XR1800 you just remove a seat...

    Yeah, on the XR1800 you just remove a seat cushion, pop off a cover plate, and thereís access to the top of the fuel tank and fuel sending unit. No screws involved.

    My initial thought was to place...
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    Spent some time this weekend building my fuel...

    Spent some time this weekend building my fuel pump assembly to accommodate the MR1ís fuel injection system.

    I slid the fuel pump down a little bit further after I snapped the pictures.

    I have...
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    XR1800 160hp MR1 Conversion

    So I went browsing on the tach manufactureís (Beede) website, and found what appears to be the pin out for the exact Yamaha tachs I have, pictured in my previous post. From what I can tell, itís a...
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    Poll: 2-Stroke View Post

    Thanks for the information.

    Iím using several of the ideas discussed in this thread for my own XR1800 engine swap. Iím using a pair of MR1 HO motors instead of the 1.8s.

    Link to my thread...
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    XR1800 160hp MR1 Conversion

    So I picked up a pair of a pair of SX230/AR230 HO tachometers. In addition to hooking up the tach signal, ideally Iíd like to also hook up the three warning lights: Check Engine, Low Oil, and...
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    Next step is to prime and paint the rails, since...

    Next step is to prime and paint the rails, since the rails are steel. I think Iím going to try this stuff.

    464333
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    XR1800 160hp MR1 Conversion

    Did some more test fitting this weekend using my 3/16Ē flat steel rails. That seems to be the perfect thickness for the rails; I was able to align the motor without any shims.

    464329

    464330
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    How much boost?

    How much boost?
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    XR1800 160hp MR1 Conversion

    So I went into this project not realizing I would have to cut up the engine bay a little bit to make these MR1 motors fit. When reading the other guyís thread on YJB, I knew the motor mounts would...
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    XR1800 160hp MR1 Conversion

    I rolled my engine dolly outside and cranked up Engine #1. What a beautiful sound compared to the 2-strokes.

    I have the fuel pump removed from the pump assembly and submerged in the red gas can. ...
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    XR1800 160hp MR1 Conversion

    I bypassed the Yamaha remote system by splicing together yellow to yellow, blue/black to black/blue, and blue to black. After those connections are made, need to run switched power to the yellow...
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    XR1800 160hp MR1 Conversion

    I pulled the motors out of the skis, and realized I was going to need a new, beefier work bench. The bench I had before was left over from the previous home owners, and was much too small. I also...
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    XR1800 160hp MR1 Conversion

    I sold both of my 1200 power valve motors and a carb rack to fund the purchase of an Ď05 FXHO and an Ď05 FX Cruiser. I found these gems in Texas while on a jobsite visit for work. The skis had about...
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    XR1800 160hp MR1 Conversion

    I think Iím far enough along on my 4-stroke swap that I can start sharing my progress.

    Iíve owned my XR1800 for about 5 years, and while I like the boat, Iím just not a fan of either the...
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    Echo Echo Echo Echo .

    Echo

    Echo

    Echo

    Echo

    .
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    Disassembling MR1 Fuel Pump Assembly?

    I did a search, but didnít find what I was looking for.

    Is there a guide on taking apart the fuel pump assembly so that I can replace the pump itself? Not real sure how to take this thing apart....
  21. SOLD All are SOLD.

    All are SOLD.
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    Poll: 2-Stroke How do both engines/ECUs control the single fuel...

    How do both engines/ECUs control the single fuel pump?
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    View Post

    Iím not familiar with that tool. How does it hold the crank still?
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    View Post

    Yeah, Iím not sure if the valves are open or not. Thatís exactly what Iím afraid of.
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    How To Remove '05 FXHO MR-1 Drive Coupler

    How are you guys removing the drive coupler with the crank still in the engine? Engine is completely together sitting on my work bench, and I need to get the drive coupler off so that I can put on...
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