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Search: Posts Made By: mwn
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12-11-2018, 05:19 PM
Replies: 29
Views: 841
Posted By mwn

For what it is worth, I have a 2.0 1987 150hp...

For what it is worth, I have a 2.0 1987 150hp bought new and what you describe for a cold start, etc has been normal with mine since new.
09-23-2018, 05:11 PM
Replies: 20
Views: 876
Posted By mwn

Water cooled & air cooled 2 strokes use the same oil?

Posted elsewhere,

"I switched from regular Mercury 2-stroke to Bel-Ray synthetic (which I'd previously used in my 2-stroke motorcycles) with no problems at all."

I have the understanding that...
09-23-2018, 04:47 PM
Replies: 44
Views: 3,703
Posted By mwn

No experience with Yamaha, so take the comments...

No experience with Yamaha, so take the comments with a grain of salt.

1. It is my understanding that torque specs [be they auto, marine, etc] assume the threads are lubricated as manufacturer...
07-25-2018, 09:21 PM
Replies: 150
Views: 5,248
Posted By mwn

I have not read anything that says " it should...

I have not read anything that says " it should not matter what octane grade is used. Just add whatever and let the ECU deal with it." and have not indicated that statement.

An obvious conclusion...
07-25-2018, 11:23 AM
Replies: 150
Views: 5,248
Posted By mwn

No manufacturer would order a gazillion pistons...

No manufacturer would order a gazillion pistons before having the final product in production form AND thoroughly tested.
07-25-2018, 11:18 AM
Replies: 150
Views: 5,248
Posted By mwn

Many would suspect that if a manufacturer spent a...

Many would suspect that if a manufacturer spent a billion dollars ended up with an engine that required more octane than the design plan called for regular octane rating heads would roll. Surely...
07-25-2018, 11:09 AM
Replies: 150
Views: 5,248
Posted By mwn

Not sure what you are referring to when you use...

Not sure what you are referring to when you use "it" . Nothing I said says "it" does not matter.
07-25-2018, 11:05 AM
Replies: 150
Views: 5,248
Posted By mwn

Actually they did not state what you have given...

Actually they did not state what you have given them credit for.
07-24-2018, 10:10 PM
Replies: 150
Views: 5,248
Posted By mwn

The following link from Whitfield Oil states that...

The following link from Whitfield Oil states that the burn rate is different between different high octane gasolines, one could conclude the same is true for high octane verses low octane gasolines....
07-24-2018, 09:58 PM
Replies: 150
Views: 5,248
Posted By mwn

Just many years of tuning/timing auto engines and...

Just many years of tuning/timing auto engines and as best this old guy can remember I never came across one that required high octane calling for less timing than those designed for regular.
...
07-24-2018, 09:49 PM
Replies: 150
Views: 5,248
Posted By mwn

Again no expert here but I doubt that engines are...

Again no expert here but I doubt that engines are designed and built and THEN the manufacturer decides what octane shall be used. I suspect that minimum octane is determined early in the design...
07-22-2018, 09:03 PM
Replies: 150
Views: 5,248
Posted By mwn

Thank you for the reply. I am by no means an...

Thank you for the reply. I am by no means an expert on this topic. From your link " Variations in octane quality [ do they mean "value" here or is there good and bad octane?] are independent of...
07-20-2018, 07:31 PM
Replies: 150
Views: 5,248
Posted By mwn

From master marine mechanic: DON WEED If you...

From master marine mechanic: DON WEED

If you research the difference in burn rates and temperatures with various octanes, you will realize that higher octane fuels burn slower and cooler.

In an...
07-02-2018, 10:09 AM
Replies: 71
Views: 5,070
Posted By mwn

This would seem to confirm you need to find...

This would seem to confirm you need to find another dealer. If the unit is under warranty why is the customer charged .5 hrs to reprogram the EMM? It takes .5hrs to replace a fuel filter? ...
07-01-2018, 05:02 PM
Replies: 71
Views: 5,070
Posted By mwn

Wonder why the dealer did not give the OP a heads...

Wonder why the dealer did not give the OP a heads up on the cost of the service? Yes the OP was remiss in not asking. I have been boating since 1967 and never would have expected his bill for a...
07-01-2018, 04:53 PM
Replies: 71
Views: 5,070
Posted By mwn

A certified mechanic can not tell if the plugs...

A certified mechanic can not tell if the plugs will fail in one month? Curious what warranty work would be required if the plugs fouled? Remember he was told all these parts had to be changed to...
07-01-2018, 04:36 PM
Replies: 71
Views: 5,070
Posted By mwn

" It's because evinrude has determined that those...

" It's because evinrude has determined that those parts are likely to fail after that time span so which ever comes first 300 hours or 3 years they should be replaced. "


I understand a number of...
Forum: Dockside Chat
07-01-2018, 04:03 PM
Replies: 7
Views: 643
Posted By mwn

Tariffs always hurt the consumer and can help the...

Tariffs always hurt the consumer and can help the worker. Consumers pay more for imported goods and many times USA made goods as well. The prices we pay for things is based more on what we are...
06-22-2018, 05:21 PM
Replies: 76
Views: 4,190
Posted By mwn

Curious as to what types of boats you have been...

Curious as to what types of boats you have been insuring. My post was based on personal experience. I have been insuring boats since 67 have been asked many times will it do over 40? I...
06-22-2018, 05:00 PM
Replies: 76
Views: 4,190
Posted By mwn

Thank you once again for sharing your knowledge...

Thank you once again for sharing your knowledge with us.
06-22-2018, 10:35 AM
Replies: 76
Views: 4,190
Posted By mwn

Here is someone you should listen to. The guy...

Here is someone you should listen to. The guy who sells you a policy makes a living on commission. He is NOT the one that decides if claims will be paid out. Most [all?] policies say something...
05-28-2018, 07:05 PM
Replies: 1,142
Views: 161,383
Posted By mwn

Depends on the size of the turbo chargers. ...

Depends on the size of the turbo chargers. Turbo chargers can and do provide massive increases torque in in low and mid range if they are sized correctly. Larger turbos on the same engine make...
05-28-2018, 06:28 PM
Replies: 1,142
Views: 161,383
Posted By mwn

A number of the DI engines now have port...

A number of the DI engines now have port injection as well to solve the carbon build up problem. I believe the latest version of the Ecoboost includes the port injectors. Wonder why Yamaha did...
05-14-2018, 05:46 PM
Replies: 25
Views: 1,078
Posted By mwn

1

1
05-14-2018, 05:29 PM
Replies: 25
Views: 1,078
Posted By mwn

Google provided this which agrees with not to use...

Google provided this which agrees with not to use 50:1.

You can take the advice of various people or you can go by the factory instructions which say 24:1 using a 6 gallon tank or 16:1 for smaller...
Showing results 1 to 25 of 186
 


 
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