UL Power Forum (131)

Discussions Replies Latest Activity

Throttle spring on UL350

I'm not a fan of throttle spring to wide open.  Has anyone removed this feature?  Will removing it affect warranty? 

Started by Mel Asberry

9 Sep 17, 2022
Reply by John Bell

Spark Plug Carbon

I have had a problem with my number 3 cylinder for awhile now.  Both spark plugs carbon up quickly and I am not sure what is causing it.  A…

Started by Scott Miller

4 Aug 31, 2022
Reply by Ralph Powell

ULPower 15 hr engine service

Just finishing the 15 hr service after rebuild on my UL350iS.  Required a torque check on the cylinder head bolts.  If torque has loosened…

Started by David J. Beaulieu

17 Aug 29, 2022
Reply by Scott Miller

Alternator Stator Bolt Thread

The part number/description for the three bolts are: F0706040 Hexagon head screw - M6x40 - 8.8 Steel – Zinc plated  Ar…

Started by Joe Stephens

1 Aug 23, 2022
Reply by Joe Stephens

Fuel plumbing 601/650

What is the basic fuel system set up for the fuel injection for a low wing 601/650?  It appears the best location for the fuel pumps is on…

Started by Eric Genzlinger

2 Aug 21, 2022
Reply by Eric Genzlinger

Regulator/Rectifier Replacement

My R/R connector burned last week and I have been doing a lot of research on this topic.  Has anyone changed their R/R from the factory sup…

Started by Scott Miller

28 Aug 18, 2022
Reply by Timothy Aanerud

Typical Amps Reading in 350iS

I was getting a lot of variance in my voltage and amps. I changed the regulator out with a much more robust unit with a far better wiring h…

Started by David R Ferrell

7 Aug 11, 2022
Reply by John Bell

Fuel System Options

1.  Has anyone with a UL Power engine used any other fuel system parts other than what Wicks sells? (i.e. Fuel pumps, fuel filters, etc.)…

Started by Scott Miller

2 Aug 10, 2022
Reply by Scott Miller

Battery Options

Hello all,    It's time for me to choose a battery for my UlPower 260. I am trying to choose between Acid battery or Lithium. What are you…

Started by Adam Bobkowski

19 Aug 9, 2022
Reply by Mike York

ULPower 350iS - Fuel pump

The ULPower 350iS fuel pump supplied (E063502 - (810gr)) appears to be a Bosch type.  Can anyone confirm and have a part number?

Started by Greg Booker

2 Jul 13, 2022
Reply by Ralph Powell

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