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  1. Lt1z350

    1989 xr4 150 that sat 3 years issues.

    Let me know if that’s not good enough the previous owner said the boat scared him was so fast. Out of the hole like crazy and said never even attempted to go over 55 mph as it seemed like too much motor for the boat and it’s rated to 175 horse by its plaque. So either it’s really strong or he...
  2. Lt1z350

    1989 xr4 150 that sat 3 years issues.

  3. Lt1z350

    Prop size stamp?

    So turns out it was decent and had grease but cleaned it all up and the prop does have the info on the back side of the hub. It’s a 24 pitch prop so I assume that’s decent for a 4 blade and a strong 150. I have been told this is the highest hp of the 150s being a late 89 xr4 2.4 ltr. So...
  4. Lt1z350

    Mercury xr2 150 Voltage Regulator / Rectifier Wiring Questions

    I went through some issues on my 89 with it missing spark on 2 cylinders at idle and cleaned up at 3000 but wasn’t perfect. I did a stator trigger and regulator all cdi parts. Had already done plugs and wires. So at 3k it was really good now but idle not so much. One plug was not burning good so...
  5. Lt1z350

    1989 xr4 150 that sat 3 years issues.

    Sorry been a while damn weather got cold I had to wait on some parts also. So I put on a new stator trigger and the cdi all in one charging module. It’s all new cdi stuff I got a really good deal and all of it was oem so just did it. It’s now charging the battery putting out voltage at idle as...
  6. Lt1z350

    1989 xr4 150 that sat 3 years issues.

    Yea so this thing is bypassed it’s got 50.1 oil mix in the tank. Why I asked if the rest of that should be left as is or not. If was to remove that stock fuel pump then I lose the fuel line to the base the carbs bolt on to. I read up on it and it says the little lines send crank pulses or...
  7. Lt1z350

    1989 xr4 150 that sat 3 years issues.

    I see your point but seems to be on a relay as not on until cranks. I have been replacing all the hose and putting clamps in it not zip ties trying to make it as fail safe as possible no matter what pump is being used. So I rebuilt the mechanical but here is my question. It has two ports coming...
  8. Lt1z350

    1989 xr4 150 that sat 3 years issues.

  9. Lt1z350

    1989 xr4 150 that sat 3 years issues.

    It doesn’t come on until engine is cranking. Key on it doesn’t pump as tried to use it to drain the tank but didn’t start pumping until I was cranking the engine.
  10. Lt1z350

    1989 xr4 150 that sat 3 years issues.

    So it’s different then a car where it needs way more voltage as some of these motors are 10.5 compression and have a supercharger on it? A 40k coil should light a 12v bulb very easily. I used these on dirt bikes when younger and remember they would test the spark same as a car. But I’ll go do...
  11. Lt1z350

    1989 xr4 150 that sat 3 years issues.

    Here is that pump
  12. Lt1z350

    1989 xr4 150 that sat 3 years issues.

    I used both my cheap 50 dollar meter and my expensive fluke both come up with below spec ohms 60 degrees today maybe a little warmer in the shop. I also did a spark test and it’s not even enough to light up a cheap spark tester that on my Camaro with a 45k coil goes so bright I thought the bulb...
  13. Lt1z350

    1989 xr4 150 that sat 3 years issues.

    Sorry had a tooth pulled so didn’t mess with it 2 days. So wires were so bad I mean bad I was excited. Lol I had some Taylor 10.4 from my Tahoe laying around (ls motor). I put some new ends on them and the correct covers from the stock ones and while idle was still not great it took throttle...
  14. Lt1z350

    1989 xr4 150 that sat 3 years issues.

    It does have factory wires still and look pretty bad. I pulled one off and it’s still got that yellow/tan sealer at the coil that’s now hard as a rock. At times idling can hear it pick up drop off for sure. As for the pump it’s like a lift pump on the boat next to the tank. Looks old like...
  15. Lt1z350

    1989 xr4 150 that sat 3 years issues.

    So picked up a Norris craft 1750 with an xr4 on it and was told it ran fine last time in the water. This was late in 2019 I was told and been sitting since. The previous owner tried to do the carbs on it so first thing I rebuilt all 3 of them as one the float wasn’t setup right and it was...
  16. Lt1z350

    Prop size stamp?

    Thanks for reply’s I’ll pull it and as said grease it all up and check. Lower until oil was not the best so sure pre opus owner didn’t take care of things like that which can bite me later if need to swap it.
  17. Lt1z350

    89 Norris craft 1750 steering fix??

    Thanks for reply. So the helm was slap worn out and it was missing the bushings that centered the shaft on it. It’s all Mercury parts and was available on eBay. Finished it today and now steering is free as it should be and steering wheel back in place.
  18. Lt1z350

    Prop size stamp?

    Bought a boat and it’s got a merc xr4 on it which told is a great motor for its age so happy with that. Owner told me on this Norris craft 1750 it did around 55/60 mph and comes out of the hole hard enough it scared his wife to death lol. I’m curious if this is a good prop still cold here and...
  19. Lt1z350

    89 Norris craft 1750 steering fix??

    New here picked up a super clean basement kept 35th anniversary Norris craft 1750xlvee with a merc xr4 on it and needs a little maintenance I can’t seem to figure out. Did water pump and carbs. Ran good but not great so threw new plugs and it and now runs like a champ. Live well is missing some...
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