Big Sale Has Started - UPDATED 07-31-25 (01 Apr 2025)

As some of you know my dad passed away 2 months ago today, on May 31, 2025. I posted it in the Members Only section when it happened. Thanks to all of you who have offered kind words on the forum, with phone calls, and visits in person during this time.

The Big Sale is on but not like originally planned, it is a by appointment type of thing now. I don't have the manpower, or the desire to do a big event like originally planned, I just need to sell a lot of parts that are taking up too much space here. I have been told and believe we are overloaded with Wheel Horse parts like no one has ever seen. Peeps have already been coming in from different parts of the country and buying a lot of stuff due to seeing the sale page, and seeing we are the only Wheel Horse only business in the USA that does things on the scale we do. The sale will continue for awhile until I free up some more space but you may not want to wait too long as things are being sold every day and there are limits to how many of certain parts will be sold.

As it says on the page it is still under construction and the page isn't finished yet. I've had a ton of calls for parts and the Big Sale Page may help answer some questions about what is here before peeps call. I hope that page is also clear that we DO NOT SHIP anything... This is a by appointment type of thing now. Be sure to call before you come to make sure the day isn't already full with peeps scheduled to come in, and make sure what you want is still available.

Starting Fluid - 520H Onan

  • GoBucks
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25 Jun 2018 14:44 #14699 by GoBucks
Starting Fluid - 520H Onan was created by GoBucks
So, it cranks, but doesn't fire. If I add a little starting fluid it starts right up. This is only need for the first start of the week, if I cut it off, wash it off, etc, and get back on, it starts up fine.

Note, I was out of town for a month this time. I posted about the fuse holder, it's cranking now and just before I left at the end of May. Both times though, it didn't want to fire.

Any tips to lead me in the right direction?
Fuel filter?
Carb adjustment?
Fuel pump?

I replaced 1 spark plug before my trip. Yeah, only 1, short on time and the Previous Owner put in a full size car battery, so I can't easily get to the 2nd until I pull the battery.

Thank you,
Sam

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26 Jun 2018 08:18 #14700 by Geno
Replied by Geno on topic Starting Fluid - 520H Onan
Hey Sam. Have you tried taking the fuel line off at the filter and cranking it to see if the fuel pump is pumping?

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26 Jun 2018 11:13 #14701 by GoBucks
Replied by GoBucks on topic Starting Fluid - 520H Onan
Question, are there supposed to be 2 fuel filters on the 520H? Mine has one under the fuel tank and one by the fuel filter.

N0, I haven't tried it yet.

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26 Jun 2018 15:12 #14702 by Geno
Replied by Geno on topic Starting Fluid - 520H Onan
Should have only 1 fuel filter above the engine.

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01 Jul 2018 17:28 #14707 by GoBucks
Replied by GoBucks on topic Starting Fluid - 520H Onan
Saturday morning, I went out to cut the grass, it cranked but wouldn't start. I then removed the hose on the input side of the fuel filter, cranked a couple seconds and gas spurted out.

So, is there a carburetor adjustment I can make to fix the No start issue? It runs great once started, and will start up again no problem.

Thank you,
Sam

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01 Jul 2018 19:47 #14708 by GoBucks
Replied by GoBucks on topic Starting Fluid - 520H Onan
FYI: I did replace the spark plug wires this spring.

Looking into this, it sounds like the choke might be sticking or the needles in the carb are stuck?

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06 Jul 2018 10:32 #14713 by GoBucks
Replied by GoBucks on topic Starting Fluid - 520H Onan
I figured it out, the Choke wasn't closing all the way. I took the air cleaner off, pushed the choke down all the way, and it started right up. I hit it with some carb/choke cleaner last night, I'll do it again this morning on the outside of the carb and see how it does.

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14 Jan 2019 14:46 #15120 by GoBucks
Replied by GoBucks on topic Starting Fluid - 520H Onan
The problem is the choke doesn't close all the way.

How do I adjust it? I sprayed choke cleaner inside and out.

I disconnected the choke cable where it attaches to the carb. I then pushed the choke down all the way to close. I re-attached the cable. No luck, when I moved the choke cable up and down, the choke still wouldn't close all the way.

Thank you,
Sam

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14 Jan 2019 15:02 #15121 by Geno
Replied by Geno on topic Starting Fluid - 520H Onan
Does it seem like the choke is binding? Close the choke all the way with the adjustment loosened, then pull the choke lever up just a little (1/8") like you're choking it, then tighten the adjustment screw it should close fine. :thumb1

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28 Jan 2019 14:41 #15163 by GoBucks
Replied by GoBucks on topic Starting Fluid - 520H Onan
Should the choke close completely?

It doesn't bind, but doesn't want to close with the cable all the way. I adjusted it Saturday, then started it Ok Sunday, but it doesn't close completely. I also had in my mind your directions backwards. I choked it all the way, then loosened the nut, then pulled the choke down just a little, then pushed the choke closed with my finger, then tightened the nut.

https://lh3.googleusercontent.com/D7aglJEWTgknexHys4LljlrBkJ3rIu4YpoUb_3eETyGtqgFT5M7WFjZ5295lfGPcWSDzdnPBwhlfIwuISvXqgFhrg8yg3hH4Iz3y6D6FSm2Mye9ybYfO6iUsFVTXAmXeiIsIBJa_t1PplZkuxR-YTVoSJ9JZim2p0DtFjixYIh4Oi2AwY0sYBiT3HrBG9QSkgvOHTC0l-Th--Q0e7kDaiWUC3qDBhssDkNUj-LUoV_Biu7uPyUSQcp1B1IIiNwFSVm7WwOpTfeppje5_cCYDh-dWCMrtXMJONKSKcj_LXzZ06I5DPTc1iHohR0tR9Jtvyoe1bn3mvh-HaLFBv0mk7DrUVaZJc53XGQB_3vicHFQr7hk1qzSG_fL6AOwdPtljGWp4CEBGHuIbqnhwb8NC05TQOaOa4PgB_lda4VeE0KVE7etU4BAHEn7n_2ukLQJlkDRCpzn-_1WInQklUig2VOHiAAYvNgbuja0wq7-xbWB2lF-C5UTdnURBsh8bbnSyvxKL4RBkCkqk3I_wLIpMpDabPHo4eSoGdKtGsRorXeuv4iv_D-vZSPkjEGJ0-ISVy6ZKldoz52PYlrhXAOEzUR4pgADN5Vv1a-JFeo3e5l1UIbPxzXQ8wwh6hfWqB8thXEJ7BY9IeZqK7qvmawaKK6jiew=w1583-h890-no

520H choke

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