Shovelhead Engine - Oil Check Valve Repair
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- Опубликовано: 10 ноя 2022
- After being away for two weeks I'd noticed the volume of oil pouring out the bottom of the engine on startup. Waiting another two weeks I replicated this on camera for the same result. An attempt will be made to resolve the issue without a complete removal of the oil pump for repair.
Looking back on older videos I see that the check valve could have been handled better. Especially the reuse of the old check valve ball. Further issues would be the spring which was notably shorter than the new one after over forty years of use.
After accessing the ball and spring, and with a new package of ball bearings the new ball is inserted and lightly tapped in with a hammer to fix the seat. Another ball bearing is used for final assembly along with the new spring.
A dramatic difference on retesting not only after a two week wait but just about 3 weeks. Some residual oil was seen and most likely due to not running it out after repair.
#shovelhead #lowrider #motorcyclerepair 
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Even before I started fixing my bike the same problem you have, I already feel that this is the best demonstration video I’ve ever seen in RUclips regarding the DIY project for any bike, thank you.
You're Welcome.
Great info! Same issue on my 91 evo FLHS. Thanks!
I have a 1983 FXDG that I love to ride and tinker with.
More tinker than ride most of the time.
I binge watched your shovelhead disassembly and rebuild series and wanted you to know that I enjoyed it immensely.
The way you described and performed things in layman terms referring to the HD spec’s when necessary was most instructional and informative. I learned a great deal for the series. It was also well done how on occasion you injected humor into the segments.
Keep up the good work an keep producing shovelhead vid at each opportunity!
Thanks again,
Lars.
My "new", to me, '77 marked its place in the garage yesterday. Good video, seems like a simple fix. Thanks.
Thanks for this, I'm having the same issue with 76 FLH. One thing though, the engine was rebuilt and a new oil pump was put on.
I don't mean to be rude, but I consider it a repair when there is no leak. It's definitely an improvement.
I'm new to Harleys. I've got two old bikes. A Yamaha XV and and FLH shovel. I've never had any leaks on the XV, but the FLH is leaking oil like yours, and sweating oil through every gasket 😆.
Like I said thank you, working on my step sons 73 trouble head. Shovelhead. LOL
Thank you for the video. Did this to my 87 FXRP and made a huge difference. Super happy now.
Thanks for the video. I'm refurbishing my 1980 Shovelhead wideglide, and I too need to replace the ball. Since I plan to remove the oil pump and disassemble it, I will play extra attention to the spring and ball. Wayne out West (metro Denver)
Glad it helped
What a superb, detailed and well produced tutorial!
From Southern California ~ Ride Forever!
Thank you!
Thanks. My 84’ shovel has been doing exactly this, including urinating oil through that hose onto the ground when parked.
A common issue.... People assume its normal.
You are good, brother. Excellent, informative work
Glad you enjoyed it.
Super helpful video! Thanks gonna replace mine this week. Had no idea why my shov was just pissing oil out of the breather
Thank you for this video as I currently own many pans , shovels, and evos ….one of them is always puking oil on my garage floor…😅
I had the problem before my rebuild. I took the pump off did the tap tap and fine valve grind with a new ball epoxied on a dowel on the seat...will know in a few weeks how it worked out...fun fun lol
Thank you for this! So helpful.
Thank you brother for a great video!
You're welcome.
Nice job
Thanks!
I’m having same issue on anew build thanks for posting
Glad I could help
Well done, man!
Thanks.
Good video
Super helpful!
Glad to Hear it.
If your engine is huffing that much air, it is a sign of an improperly timed or shimmed breather gear or blow-by caused by leaking piston rings.
Thanks for the info. I see your pressure gauge. Does it read the right pressure like around 20-30lb when rolling? Also, there is a vent hose from the case down where you are working on my S&S evo engine that goes to atmosphere. It seems to leak a lot. Can the check ball be causing that also? I haven't owned it long. 2001 Evo style Indian chief S&S motor. Anyway, I will change the check ball like you did anyway and can I vent that line to a filter going up instead of down to keep the oil from going out on the ground? I hope you know what I mean. Anyway, I am a Twin cam guy until now. Thanks a lot. Hard to find the info about this. Oh yeah, oil comes out of the oil cap a little also when riding. Not much.
Just picked up my 1984 FLHS Electra Glide Sport. Hadn't been started for 10 weeks... Puked oil into the airbox . A lot! 🤦♂️
Hi mine is leakimg oil from carburetor.... do you know wat could be the reason?
Loved the video, I oreder the kit but was.waiting to replace it. So now I will thanks to you.
I do have one.important question not.related to the check valve.
I have drag pipe on my 76 FLH shovelhead, they look like yours. My problem is I cannot find the the rear mounting bracket for the front pipe. Can you send my a picture of the rear bracket you have for the front pipe, and also tell me where to purchase it.
This is available as an installation video in my 34 part series when I re-install the exhaust around part 29
Great video!! I have a question, will a bass oil sending unit cause the breather to puke oil when riding? It’s not a shovel, but this happened to my 02 Road King. No mechanic that I have found, knows why. I was running around 85mph and it suddenly started smoking bad because the oil blew out the breather and hit the pipes.
This is exactly what my 98 is doing to me right now can't fund the issue
My shovelhead is puking oil from the crankhouse breather when engine is turned off, somebody know whats wrong?
Why do a rebuild and not overhaul the oil pump..seems the most important bit but the most over looked but as well
I have a 61 pan head that was puking oil , fixed it by flushing engine with diesel oil .
In all fairness, the breather hose was never meant to be routed under the bike.
It was designed to lead upward to the aircleaner.
In a properly maintained engine, the crankcase will vent slightly pressurized air upward but gravity will keep the oil where it belongs - off of the rear tire !
Just remember, Shit runs downhill and so does oil 😅
Thank you for this
Any time