Engine Vibration
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2nd Gear
Joined: Mar 2022
Posts: 6
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From: NC
Engine Vibration
2014 EG Ultra. Engine shakes like crazy. Even at speed my mounted phone vibrates so much the GPS is useless.
The attached video is of the front engine mount at idle. You guys think it needs to be replaced?
Your reply is appreciated.
M.
The attached video is of the front engine mount at idle. You guys think it needs to be replaced?
Your reply is appreciated.
M.
Seasoned HDF Member
Joined: Nov 2018
Posts: 10,833
Likes: 6,485
From: Canada Flats
Yah , kinda looks like it's seen better days . How many miles on the bike ? That bolt doesn't look quite center , seems to be off to the left , which makes me think it's kaput .
It's a bit of work removing them , but worth checking them for breaks or cracks , see if the shaft has come away from the rubber . Follow the service manual when installing , the procedure has to be quite accurate when installing them , not hard to do , and you don't have to remove the break lever to get it done . I did mine a couple of years ago when I did the rear swing arm , pretty solid now .
I would also look at the top mount , by the front cylinder , if you can move it with your fingers , replace that too .
It's a bit of work removing them , but worth checking them for breaks or cracks , see if the shaft has come away from the rubber . Follow the service manual when installing , the procedure has to be quite accurate when installing them , not hard to do , and you don't have to remove the break lever to get it done . I did mine a couple of years ago when I did the rear swing arm , pretty solid now .
I would also look at the top mount , by the front cylinder , if you can move it with your fingers , replace that too .
Last edited by MyFavRk; Oct 28, 2022 at 10:56 AM.
Seasoned HDF Member
Joined: Jan 2006
Posts: 11,471
Likes: 2,998
From: Charleston, SC
The outer ring of rubber is called the "snubber". If the shaft is down touching the snubber the mount is bad. The shaft being located far left is typical (they hardly ever fully center) - it is vibrating a ton though...
I'd say the mount is working overtime due to the excessive vibration which could be a bunch of things:
Like: a screwed up primary chain, out of round clutch basket, the actual engine(crank), or what is pretty common - the exhaust pipes are hung up and not neutrally mounted.
Try removing the two bolts on top of each muffler and ensure both mufflers are not pushing up or pulling down excessively in their mounts.
Run the bike without the mufflers mounted (the bolts) and see how much vibration you get at the front mount you've pictured.
That said, it could just be faulty front/back engine mounts; however, those are a few other things I would check. Good luck!
I'd say the mount is working overtime due to the excessive vibration which could be a bunch of things:
Like: a screwed up primary chain, out of round clutch basket, the actual engine(crank), or what is pretty common - the exhaust pipes are hung up and not neutrally mounted.
Try removing the two bolts on top of each muffler and ensure both mufflers are not pushing up or pulling down excessively in their mounts.
Run the bike without the mufflers mounted (the bolts) and see how much vibration you get at the front mount you've pictured.
That said, it could just be faulty front/back engine mounts; however, those are a few other things I would check. Good luck!
Last edited by lp; Oct 28, 2022 at 11:26 AM.
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