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Forum: Troubleshooting

07-15-2019, 11:53 PM

Replies: 10

Low A4 Power and Low Compression Test

Views: 3,612

Posted By JOHN COOKSON

A big welcome to the forum. Has the prop...

A big welcome to the forum.

Has the prop been checked for growth and fouling?
What RPM is the engine turning when the power maxes out?

Others members will also be along with ideas.

TRUE GRIT

Forum: Electrical

06-14-2019, 12:29 AM

Replies: 23

If sparkplugs could talk

Views: 8,150

Posted By Boat

have you timed the motor? i havent seen in here...

have you timed the motor? i havent seen in here where you have. the tan color on the plug should be at the bend in the tip.

Forum: Troubleshooting

05-15-2019, 01:27 AM

Replies: 9

Hard Start / Excessive Cranking

Views: 2,803

Posted By JOHN COOKSON

Check to be sure the choke is closing all the...

Check to be sure the choke is closing all the way.

TRUE GRIT

Forum: Electrical

05-15-2019, 12:03 AM

Replies: 23

If sparkplugs could talk

Views: 8,150

Posted By JOHN COOKSON

This sure sounds like a sticky valve(s) to me. If...

This sure sounds like a sticky valve(s) to me. If you were able to run the engine at cruise RPM for an hour it might unstick it. Do you use MMO in your gas? Some* recommend outboard motor oil in the...

Forum: Electrical

05-13-2019, 09:51 PM

Replies: 23

If sparkplugs could talk

Views: 8,150

Posted By tenders

Are you certain the plug wires are run to the...

Are you certain the plug wires are run to the correct plugs in 1-2-4-3 order coming off the distributor? If you can get it running and idling again, pull off one plug wire at a time and confirm that...

Forum: Electrical

05-07-2019, 11:10 AM

Replies: 23

If sparkplugs could talk

Views: 8,150

Posted By Dave Neptune

Talking plugs

Tom, the plugs don't actually talk but they do leave clues to be read.

First, the lack of color on the electrode porcelain indicates a plug whose "heat range" is to hot as there is very little...

Forum: Electrical

05-04-2019, 09:21 PM

Replies: 23

If sparkplugs could talk

Views: 8,150

Posted By tenders

I'm not an expert on spark plugs but what those...

I'm not an expert on spark plugs but what those tell me is that (1) you have had water in your engine room that has rusted the outside of the plugs (ie, that rust could be an engine problem if it is...

Forum: General Interest

09-04-2018, 10:37 PM

Replies: 17

Uneven RPM

Views: 6,596

Posted By sastanley

+1 what Neil & Jerry said. If you have had issues...

+1 what Neil & Jerry said. If you have had issues in the past, now is the time to come up with 2.5 good-old-boat bucks ($250). :D (New boats a boat buck is $1000)! :eek:

Jerry, that sideways pic...

Forum: General Interest

09-04-2018, 03:37 PM

Replies: 17

Uneven RPM

Views: 6,596

Posted By roadnsky

That's an original stock MOTOROLA 35A alternator....

That's an original stock MOTOROLA 35A alternator.
I think, given the short durations, that you have a regulator issue.
I can give you a few suggestions...

BUT, let's wait for the guys who know...

Forum: General Interest

09-04-2018, 12:54 PM

Replies: 17

Uneven RPM

Views: 6,596

Posted By roadnsky

•How long do these episodes last? •What kind of...

•How long do these episodes last?
•What kind of batteries?
15+ volts is a likely reason for your toasted batteries.

Very likely.
Our resident DC experts will be along soon and can suggest...

Forum: General Interest

10-19-2017, 08:03 PM

Replies: 17

Uneven RPM

Views: 6,596

Posted By sdemore

Two cents on my recent experience. I was seeing...

Two cents on my recent experience. I was seeing a similar thing, more in cruise than at idle and more the harder I pushed it. Turned out that the reversing gear needed to be adjusted. It was never...

Forum: General Interest

10-19-2017, 07:40 PM

Replies: 17

Uneven RPM

Views: 6,596

Posted By pknier

Do not count out a developing "water in the fuel"...

Do not count out a developing "water in the fuel" problem...from my experience with our motor...at high speed it would change slightly in RPMs and sound slightly different...Did not make much of it...

Forum: General Interest

10-19-2017, 01:12 PM

Replies: 17

Uneven RPM

Views: 6,596

Posted By tenders

I’ve had mild symptoms that might fall into this...

I’ve had mild symptoms that might fall into this category that were caused by occasional sticking valves. The solution was to put a few shots of Marvel Mystery Oil into the fuel, in the dosage...

Forum: Ignition System

06-08-2017, 01:03 PM

Replies: 41

There was a reference to "lubing the advance" - how & where

Views: 10,471

Posted By JOHN COOKSON

Any light machine oil works fine. I use 3in1 oil...

Any light machine oil works fine. I use 3in1 oil on the fly weights. The weights need to move freely so grease on them will not result in optimal operation.
You can check their operation for free...

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