Very loud engine noise...
Road Warrior
Joined: Mar 2007
Posts: 1,396
Likes: 146
From:
Yep, I'd check the compensator nut. My bud's came loose last week in the middle of Utah. I made quite a racket. We managed to find some red locktite. No one had an 1 1/2" socket but we borrowed a pipe wrench from a handy man at a motel and we were good to go. Yeah he'll fix it right now that he's home.
HDF Community Team
Joined: Jun 2006
Posts: 12,776
Likes: 2,607
From: san antonio
Yep, I'd check the compensator nut. My bud's came loose last week in the middle of Utah. I made quite a racket. We managed to find some red locktite. No one had an 1 1/2" socket but we borrowed a pipe wrench from a handy man at a motel and we were good to go. Yeah he'll fix it right now that he's home.
No, don't grind the end off with a bench grinder. Take it to a machine shop so the .030" cut is even all the way round.
Seasoned HDF Member
Joined: Nov 2010
Posts: 17,548
Likes: 7,199
From: Oxford, Nc
Because the nut may be bottoming out before fully contacting the compensator, which is why it got loose ( perhaps ) in the first place.
Shaving .030" eliminates that possibilty.
Shaving .030" eliminates that possibilty.
Thread Starter
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Road Warrior
Joined: Dec 2008
Posts: 1,810
Likes: 4
From: Out and about
OK, compensator seem OK, don't have a wrench big enough to check torque, but nothing wrong to the eye. Spoke w/ a mechanic friend ( not motorcycles) he was thinking that being cranked over and hard on the gas for an "extended" period may have caused the dry sump to not have oil supplied to it?? I do run the oil a bit lower than HD recommends, about 2.5qts, but the oil light has never come on other than at first start up when cold and I'm pretty sure others here are doing the same to prevent sumping issues. So I changed the oil and added the full 3 qts that HD recommends and now the noise isn't as loud but it's still there. It has to be something in the top end, I swear that's where the sound is coming from. It's also definitely running on both cylinders, not just one and it didn't seem do be an overly rough idle. I only ran it for 20 seconds or so.
Road Warrior
Joined: Mar 2007
Posts: 1,396
Likes: 146
From:
OK, compensator seem OK, don't have a wrench big enough to check torque, but nothing wrong to the eye. Spoke w/ a mechanic friend ( not motorcycles) he was thinking that being cranked over and hard on the gas for an "extended" period may have caused the dry sump to not have oil supplied to it?? I do run the oil a bit lower than HD recommends, about 2.5qts, but the oil light has never come on other than at first start up when cold and I'm pretty sure others here are doing the same to prevent sumping issues. So I changed the oil and added the full 3 qts that HD recommends and now the noise isn't as loud but it's still there. It has to be something in the top end, I swear that's where the sound is coming from. It's also definitely running on both cylinders, not just one and it didn't seem do be an overly rough idle. I only ran it for 20 seconds or so.
Road Warrior
Joined: Jul 2009
Posts: 1,408
Likes: 1,808
From: pa
When my comp nut came loose it also appeared to be tight then I put a big wrench on it and it turned with little effort.removed cleaned loctite reinstsalled all is good. Just saying give a good wrench on it before thinking its not loose
Advanced
Joined: Jun 2011
Posts: 85
Likes: 0
i bet you ride pretty hard.
cracked rod..? pull plug wire off cylinder and see if noise goes away.. had more cars with cracked rods than i care to talk about
take a long screwdriver and put it to ur ear and the other end to various places on the motor.. that should get you in the ball park.
did you run a compression test.. cheap and easy to do
fwiw.. someone on here had a busted beehive spring.. cant believe the valve didnt drop
cracked rod..? pull plug wire off cylinder and see if noise goes away.. had more cars with cracked rods than i care to talk about
take a long screwdriver and put it to ur ear and the other end to various places on the motor.. that should get you in the ball park.
did you run a compression test.. cheap and easy to do
fwiw.. someone on here had a busted beehive spring.. cant believe the valve didnt drop
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