Thread Tools Search this Thread
Old 07 May 2013, 06:03   #1
Country: UK - England
Town: redcar
Boat name: glade
Make: quicksilver
Length: 4m +
Engine: outboard
Join Date: Jun 2011
Posts: 15
mariner 25hp

i hope you can help my 25 hp Mariner 2 stroke short shaft engine (about 7 years old)
does not have a data plate on (may have fallen off )
the serial number is OP107803

could you advise me what the spark plug gap should be

many thanks in advance

d1ve1n is offline   Reply With Quote
Old 07 May 2013, 09:12   #2
Country: UK - England
Town: southampton
Boat name: hydradrive
Make: yamaha
Length: no boat
Engine: sterndrives
Join Date: Sep 2012
Posts: 289
1mm /045'off the top of my head

yam man is offline   Reply With Quote
Old 08 May 2013, 08:29   #3
Locozodiac's Avatar
Country: Other
Town: Lima-Peru
Boat name: Nautile
Make: Sea Rider Boats
Length: 4m +
Engine: Tohatsu 18 /30 HP
Join Date: Sep 2007
Posts: 1,706
1.0 mm or 0.40" use shim much preferably, shim must be held tight against tip.

Happy Boating
Locozodiac is offline   Reply With Quote

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 03:18.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.