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#12868335 - 08/18/18 07:36 AM Question For Yamaha SHO Owners
Don G Offline
Angler

Registered: 06/14/11
Posts: 336
Loc: Comanche County, Texas
I have a 2015 200HP VMAX SHO, and was told at time of purchase the initial service was due at 10 hours and every 100 there after. When I took it back to the dealer for the break in service I was told it needs to be serviced every 50 hours, which I have had done since 2015. Am I being fed a line of bull are is this actual fact. I put in a lot of time on the water and 50 hours comes around PDQ not to mention the hit on my pocket book.
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Don G

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#12868347 - 08/18/18 07:53 AM Re: Question For Yamaha SHO Owners [Re: Don G]
TCK73 Offline
TFF Team Angler

Registered: 03/26/15
Posts: 3886
Loc: Jack County
The book on mine says 10 hours first, and then every 100 hours, so that’s acceptable I guess. I change mine every six months which ends up about 40-60 hours, I feel 100 hours is too long. I personally know a few guides that fish six days a week that do the 50 hour interval as well, and end up having 3000+ trouble free hours for the most part. They use Mobil 1 10W-30 from the parts store. I still use the Yamaha oil, they sell it here in town, it is convenient for me to go get, and two oil changes a year is not going to break me.

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#12869112 - 08/19/18 04:37 AM Re: Question For Yamaha SHO Owners [Re: Don G]
CHAMPION FISH Offline
TFF Celebrity

Registered: 09/14/04
Posts: 7523
Loc: SACHSE, TEXAS
I am in the car service business and the better you take care of anything mechanical the longer it will last and less break downs. The owners manual always paints a rosey picture as to how little maintenance the car or boat needs.
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#12869146 - 08/19/18 06:47 AM Re: Question For Yamaha SHO Owners [Re: Don G]
Don G Offline
Angler

Registered: 06/14/11
Posts: 336
Loc: Comanche County, Texas
Thank you for your input. A little extra spent now equals a lot saved in the long run. I service my truck more often than the dealer recommends so why not my boat motor.
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Don G

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#12871623 - 08/21/18 11:22 AM Re: Question For Yamaha SHO Owners [Re: Don G]
Matt Newsom Offline
Outdoorsman

Registered: 04/16/12
Posts: 45
Change your initial oil at 10-20 hours once you are sure it's broken in. Every year change your oil in both the foot and the crankcase. Change both your engine mounted fuel filter and your 10 micron. Grease the he'll out of your engine points. Every other year change your impeller and grease the whole drive shaft with the special yamaha wr2 grease. Use the synthetic 5w30 yamaha lube and the hd gear lube, dont let the dealer tell you something different. Run min 89 octane preferably 93 gas. If you are going to let it sit fill the tank up and add a little bit of stable. Do those things and your sho will last at least 15 years.

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#12871915 - 08/21/18 01:57 PM Re: Question For Yamaha SHO Owners [Re: Don G]
steve@hydrodynamics Offline
TFF Celebrity

Registered: 08/25/06
Posts: 6867
Loc: Quitman,Tx
curious as to why grease the "whole drive shaft" ??
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#12872111 - 08/21/18 05:23 PM Re: Question For Yamaha SHO Owners [Re: Don G]
Dubee Offline
Extreme Angler

Registered: 07/17/11
Posts: 1755
Loc: Godley Tx
Curious why you would run 93 octane

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#12872184 - 08/21/18 06:45 PM Re: Question For Yamaha SHO Owners [Re: steve@hydrodynamics]
Matt Newsom Offline
Outdoorsman

Registered: 04/16/12
Posts: 45
There is something called the yamaha squeal that these motors develop sometimes. The after a long run the drive shaft heats and swells up slightly. It starts rubbing and making a squealing noise that will drive you crazy. If you liberally apply the wr2 grease it solves it.

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#12872188 - 08/21/18 06:49 PM Re: Question For Yamaha SHO Owners [Re: Dubee]
Matt Newsom Offline
Outdoorsman

Registered: 04/16/12
Posts: 45
If you are running less than 89 octane you run the risk of preignition and having the motor pull timing. 89 octane is the [censored] gas at the pump though. 89 is used the least and sits the longest at the station. It will soak up the most water and be the oldest gas at the station. On the 200 you are only getting 20 percent throttle opening so you peak cylinder pressure will be lower and you will be less likely to have it pull timing. I would still want the octane if it was my engine.

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#12872927 - 08/22/18 10:56 AM Re: Question For Yamaha SHO Owners [Re: Don G]
Don G Offline
Angler

Registered: 06/14/11
Posts: 336
Loc: Comanche County, Texas
Another question for those doing their own maintenance. My SHO gets an engine alarm at every 100 hours indicating it is due service which has to be reset by the technician when he services the engine. How can an individual update the computer without taking it to a dealer? I am wanting to do my own service but cant figure out how to get around this issue.
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#12872936 - 08/22/18 11:02 AM Re: Question For Yamaha SHO Owners [Re: Don G]
Matt Newsom Offline
Outdoorsman

Registered: 04/16/12
Posts: 45
That's not an engine alarm its just your command link gauge reminder. I can be reset
press MODE for 4 seconds and activate CUSTOM mode. Press SET to get to MAINTENANCE screen... while the numbers (e.g., 102h) are blinking, press MODE & SET for 1 second. This part is tricky and it took me several tries to get it right... if it senses you press MODE before SET it goes to a different page .. if you press SET before MODE it cancels the whole operation. Not a real human friendly interface but it does work.

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#12873991 - 08/23/18 07:47 AM Re: Question For Yamaha SHO Owners [Re: Matt Newsom]
Don G Offline
Angler

Registered: 06/14/11
Posts: 336
Loc: Comanche County, Texas
Originally Posted By: Matt Newsom
That's not an engine alarm its just your command link gauge reminder. I can be reset
press MODE for 4 seconds and activate CUSTOM mode. Press SET to get to MAINTENANCE screen... while the numbers (e.g., 102h) are blinking, press MODE & SET for 1 second. This part is tricky and it took me several tries to get it right... if it senses you press MODE before SET it goes to a different page .. if you press SET before MODE it cancels the whole operation. Not a real human friendly interface but it does work.

Thank you for all the helpful information Sir.
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Don G

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#12874152 - 08/23/18 09:37 AM Re: Question For Yamaha SHO Owners [Re: steve@hydrodynamics]
forkduc Offline
TFF Guru

Registered: 03/28/07
Posts: 12148
Loc: Plano,Texas
Drive shaft?

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#12874632 - 08/23/18 05:08 PM Re: Question For Yamaha SHO Owners [Re: Matt Newsom]
Dubee Offline
Extreme Angler

Registered: 07/17/11
Posts: 1755
Loc: Godley Tx
Originally Posted By: Matt Newsom
If you are running less than 89 octane you run the risk of preignition and having the motor pull timing. 89 octane is the [censored] gas at the pump though. 89 is used the least and sits the longest at the station. It will soak up the most water and be the oldest gas at the station. On the 200 you are only getting 20 percent throttle opening so you peak cylinder pressure will be lower and you will be less likely to have it pull timing. I would still want the octane if it was my engine.


What octane does yamaha recommend?

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#12874870 - 08/23/18 09:26 PM Re: Question For Yamaha SHO Owners [Re: Dubee]
BigDozer66 Offline
Extreme Angler

Registered: 03/20/12
Posts: 1832
Loc: Lufkin, Texas USA
Originally Posted By: Dubee
Originally Posted By: Matt Newsom
If you are running less than 89 octane you run the risk of preignition and having the motor pull timing. 89 octane is the [censored] gas at the pump though. 89 is used the least and sits the longest at the station. It will soak up the most water and be the oldest gas at the station. On the 200 you are only getting 20 percent throttle opening so you peak cylinder pressure will be lower and you will be less likely to have it pull timing. I would still want the octane if it was my engine.


What octane does Yamaha recommend?


On my 115 VMAX SHO 4 stroke Yamaha recommends 87 minimum octane for inland use. cheers

Using higher than recommended octane will cause detonation and cause the engine retard the timing to correct the issue.

If outboards are equipped to correct the timing like automobiles do? hmmm
_________________________
2016 Ranger RT188 Charcoal Metallic Dual Console
2017 Yamaha 115 VMAX SHO (VF115LA) SS Prop
Minn Kota Ultrex i-Pilot Link 45" 80 lb.
Humminbird Helix 10 Mega SI BBT Bow Mount


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#12874936 - 08/23/18 10:15 PM Re: Question For Yamaha SHO Owners [Re: BigDozer66]
Matt Newsom Offline
Outdoorsman

Registered: 04/16/12
Posts: 45
Originally Posted By: BigDozer66
Originally Posted By: Dubee
Originally Posted By: Matt Newsom
If you are running less than 89 octane you run the risk of preignition and having the motor pull timing. 89 octane is the [censored] gas at the pump though. 89 is used the least and sits the longest at the station. It will soak up the most water and be the oldest gas at the station. On the 200 you are only getting 20 percent throttle opening so you peak cylinder pressure will be lower and you will be less likely to have it pull timing. I would still want the octane if it was my engine.


What octane does Yamaha recommend?


On my 115 VMAX SHO 4 stroke Yamaha recommends 87 minimum octane for inland use. cheers

Using higher than recommended octane will cause detonation and cause the engine retard the timing to correct the issue.

If outboards are equipped to correct the timing like automobiles do? hmmm





Using higher than recommended octane will most certainly not cause detonation. And it depends on the motor but the SHO does have a single nock sensor that is located behind the ECU that listens for specific detonation frequencies. Using higher than recommended octane will not hurt anything other than your pocket book. There will be someone who will pipe up that it will lead to carbon deposits and another guy will pop up and says it has less energy and will not run as well. Both are incorrect. (Technically higher octane does have slightly less energy because its composed of more short chain molecules. But its not enough to make a noticeable difference.)

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#12874981 - 08/23/18 10:55 PM Re: Question For Yamaha SHO Owners [Re: Matt Newsom]
BigDozer66 Offline
Extreme Angler

Registered: 03/20/12
Posts: 1832
Loc: Lufkin, Texas USA
Originally Posted By: Matt Newsom
Originally Posted By: BigDozer66
Originally Posted By: Dubee
Originally Posted By: Matt Newsom
If you are running less than 89 octane you run the risk of preignition and having the motor pull timing. 89 octane is the [censored] gas at the pump though. 89 is used the least and sits the longest at the station. It will soak up the most water and be the oldest gas at the station. On the 200 you are only getting 20 percent throttle opening so you peak cylinder pressure will be lower and you will be less likely to have it pull timing. I would still want the octane if it was my engine.


What octane does Yamaha recommend?


On my 115 VMAX SHO 4 stroke Yamaha recommends 87 minimum octane for inland use. cheers

Using higher than recommended octane will cause detonation and cause the engine retard the timing to correct the issue.

If outboards are equipped to correct the timing like automobiles do? hmmm





Using higher than recommended octane will most certainly not cause detonation. And it depends on the motor but the SHO does have a single nock sensor that is located behind the ECU that listens for specific detonation frequencies. Using higher than recommended octane will not hurt anything other than your pocket book. There will be someone who will pipe up that it will lead to carbon deposits and another guy will pop up and says it has less energy and will not run as well. Both are incorrect. (Technically higher octane does have slightly less energy because its composed of more short chain molecules. But its not enough to make a noticeable difference.)



You are correct I meant to say lower instead of higher. hammer

Some 4 Strokes are able to take advantage of higher octane but the results might not lead to that "Seat of the pants" feeling that some expect it to! bolt
_________________________
2016 Ranger RT188 Charcoal Metallic Dual Console
2017 Yamaha 115 VMAX SHO (VF115LA) SS Prop
Minn Kota Ultrex i-Pilot Link 45" 80 lb.
Humminbird Helix 10 Mega SI BBT Bow Mount


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#12887107 - 09/04/18 04:10 PM Re: Question For Yamaha SHO Owners [Re: Don G]
PlanoKeith Offline
TFF Team Angler

Registered: 01/13/11
Posts: 3516
Loc: Plano Texas
89 is mixed at the pump. I used to work for a company that built gas stations and the tank and pump installers said that is how it is done. I know this because they would only put two tanks in the ground and i asked them why not three? He said all we need is 93 and 87 . The pump increases the octane. That is what i was told smile
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Keith smile


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