Dealer over-filled oil on '19 Triple R -- Just noticed 700 miles later - Triumph Forum: Triumph Rat Motorcycle Forums
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post #1 of 13 (permalink) Old 09-15-2019, 10:48 PM Thread Starter
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Dealer over-filled oil on '19 Triple R -- Just noticed 700 miles later

I had my first service and assumed that everything with the oil was in tip-top shape. I--regrettably--neglected to check the oil for a month and 700 miles after the first service. When I checked it, the entire dipstick was coated with oil.

I took it to the dealer where I got the 1st service and had the level corrected. I think the mechanic said it was a couple or a few ounces high. They suggested that this would not be an issue, but, of course, they wouldn't necessarily say, "We screwed this one up, and it could cause you some issues down the road."

Does anyone know what type of damage this could have caused? It's frustrating, because it's a new bike, and I go through the inconvenience of going to a Triumph dealer and paying extra only to discover that something as simple as the oil change was messed up. This is compounded by the fact that it's technically my first bike and I love it.

Thank you in advance for any guidance.

Last edited by stowanewb; 09-15-2019 at 10:55 PM.
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post #2 of 13 (permalink) Old 09-16-2019, 12:19 AM
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It could be diluted with fuel if it was started many times without properly heating up the engine.
I know exactly how it goes with new bikes. Starting up for friends to show the sound
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post #3 of 13 (permalink) Old 09-16-2019, 03:43 AM
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If it was only slightly overfilled it shouldn't have caused any major problems, overfilling by a large amount can cause excessive oil pressure and seal failure.
It's probably a good idea that you've took it back to the dealer to correct the level as it should be on record in case of any future issues.
I wouldn't worry about it going forward, just learn that you can't trust a triumph dealer to even do a simple job correctly, I always had to recheck everything they had done that's why I do all my own maintenance now.
obviously when checking the oil level at home you need to make sure the bike is perfectly upright and level which can be tricky.

I don't think modern fuel injected bikes flood the engine with petrol anymore so don't worry about that.
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post #4 of 13 (permalink) Old 09-16-2019, 03:53 AM
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Had that many years ago with a Honda NS400R at first service , blew oil out all over the rear tyre . Made it home drained at least a litre out , cleaned up bike then returned excess oil to dealer . " Apprentice " , he knows better now , learning experience for us both . Him to always make sure there have been no mistakes , me to always check bike over before riding dependent on where it's been .
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post #5 of 13 (permalink) Old 09-16-2019, 04:31 AM
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My first experience with a triumph dealer many years ago is when they they did a minor service and overtightened the chain, didn't check when I collected the bike but when I got home after a 50 mile ride it was as tight as a g-string, the guitar type not the good type.
Wasn't prepared to ride it back like that so just adjusted it myself, told them on the phone but they didn't seem that concerned.
It's a sad fact that most of the servicing done on your bike will be by the least experienced and qualified person in the dealership, because it's beneath the so-called senior technicians, and if they are anything like the the apprentices where I work I wouldn't trust them to tie my shoelaces let alone let them anywhere near my bike.
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post #6 of 13 (permalink) Old 09-16-2019, 06:25 AM
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Quote:
Originally Posted by Scottty View Post
I don't think modern fuel injected bikes flood the engine with petrol anymore so don't worry about that.
Not because of the carbs, but just imagine the cold piston and seals are not closing the excessive gap (this is why one had to use choke (excess fuel) in the old times). A lot of fuel can end up in the crankcase during compression phase. And now imagine this 10000 times in the first 5 minutes until the engine reaches operating temperature.
Sure, noob technician contribution can not be overlooked
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post #7 of 13 (permalink) Old 09-16-2019, 07:38 AM
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Quote:
Originally Posted by SzBalogh View Post
Not because of the carbs, but just imagine the cold piston and seals are not closing the excessive gap (this is why one had to use choke (excess fuel) in the old times). A lot of fuel can end up in the crankcase during compression phase. And now imagine this 10000 times in the first 5 minutes until the engine reaches operating temperature.
Sure, noob technician contribution can not be overlooked
https://www.youtube.com/watch?v=hXc3iXGucFs
I may be wrong but I think piston clearance in a cold engine will only cause a little bit of extra noise, I don't think you lose petrol down side of the piston during the warm-up phase, the rings will still be sealing ok. If that was the case we would all be running around with engines full of petrol in the crankcase, I know I'm not.
I think we've covered this in another post, piston clearance is due to different expansion rates but the actual sealing is done by the piston rings which will still create a tight seal even when cold, if the piston rings had the same gap as that piston shown in the video your bike would barely run when it was cold.
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post #8 of 13 (permalink) Old 09-16-2019, 08:24 AM
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I'm not on the level of many here mechanically, but I am able to change my own oil/filter. When a major service involving things I'm unable or unwilling to do - valve checks, throttle body sync, etc - I go down the checklist and do all the things I can, then tell the service writer I've already changed the oil and filter, air filter, adjusted and lubed the change, blah, blah, blah. Happily, the dealer I go to agrees not to repeat those services and removes the costs for them from the bill.

Just because I'm paranoid, it doesn't mean the whole world isn't out to get me.
Words mean things.

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post #9 of 13 (permalink) Old 09-19-2019, 08:38 AM
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I can't imagine how significantly overfilling with oil will cause over-pressurization and engine damage.

I do know that it can cause the crankshaft to "whip" the oil and aerate it, causing a loss of oil pressure. This occurred to me when I bought a used car and was driving (from a few states away) home. I found a quickie oil place and they removed an unknown number of quarts, and I continued a few hundred miles that day, and many thousands thereafter.

IF you didn't experience an oil light, and continued to ride, you probably have nothing to worry about.

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post #10 of 13 (permalink) Old 09-19-2019, 09:36 AM
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"IF you didn't experience an oil light, and continued to ride, you probably have nothing to worry about."

You won't get an oil light from overfilling but otherwise correct; you're worrying about nothing.
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