Post your technical questions here
How to order 2023 calendars
by
Michael »
Sat Oct 15, 2022 12:40 am
0 Replies
121 Views
Last post by Michael Sat Oct 15, 2022 12:40 am
Please limit advise to factory procedures & proven measures
by
Administrator »
Thu Nov 05, 2015 8:40 pm
0 Replies
503 Views
Last post by Administrator Thu Nov 05, 2015 8:40 pm
Top Crank Bearing Availability
Replies: 4
by
mercaholic »
Thu Jan 26, 2023 3:22 pm
4 Replies
60 Views
Last post by Genel Fri Jan 27, 2023 3:59 pm
Amphenol plug Mark 50
Replies: 17
by
daveswaves »
Thu Dec 15, 2022 11:37 pm
17 Replies
201 Views
Last post by Tom Murray Wed Jan 11, 2023 12:28 pm
APBA 36 Class
Replies: 6
by
ctpdsr »
Tue Dec 27, 2022 8:08 pm
6 Replies
133 Views
Last post by squirrelboydeluxe Thu Jan 05, 2023 11:11 am
Stacks
Replies: 4
by
58woody »
Fri Dec 30, 2022 11:31 pm
4 Replies
119 Views
Last post by krazy karl Mon Jan 02, 2023 4:03 pm
Mark 25 Prop & Porpoising
Replies: 10
by
meandmymark25 »
Fri Dec 09, 2022 9:39 pm
10 Replies
154 Views
Last post by Yellowjacket Sun Dec 25, 2022 2:53 am
Crankshaft 414 1177 and where used
Replies: 3
by
daveswaves »
Fri Dec 23, 2022 4:52 pm
3 Replies
42 Views
Last post by daveswaves Fri Dec 23, 2022 6:46 pm
Mercury 20 cu. in. piston rings
Replies: 3
by
champhotrod »
Tue Dec 20, 2022 5:16 pm
3 Replies
85 Views
Last post by Locomotion Fri Dec 23, 2022 4:12 pm
Parts Manual for the 60's Vintage Mercury 20 HP
Replies: 16
by
Seakaye12 »
Mon Nov 14, 2022 2:00 am
16 Replies
168 Views
Last post by Seakaye12 Thu Dec 22, 2022 6:35 pm
Inner Water Jacket cover, Merc 1400
Replies: 4
by
BillW »
Sat Dec 17, 2022 5:00 pm
4 Replies
49 Views
Last post by BillW Sun Dec 18, 2022 5:15 pm
Carbs
Replies: 2
by
daveh »
Wed Dec 14, 2022 10:24 pm
2 Replies
69 Views
Last post by daveh Thu Dec 15, 2022 1:41 am
What causes Spline Damage Like this 1969 Mercury 20
Replies: 9
by
Seakaye12 »
Tue Dec 06, 2022 6:07 pm
9 Replies
106 Views
Last post by SteveC Sat Dec 10, 2022 2:21 am
quicky nut
Replies: 3
by
mercaholic »
Mon Dec 05, 2022 4:05 pm
3 Replies
84 Views
Last post by AU52N Thu Dec 08, 2022 11:43 pm
Inline 6 Piston Install Video
Replies: 14
by
1500J »
Tue Dec 30, 2014 3:10 am
14 Replies
258 Views
Last post by Seakaye12 Thu Dec 01, 2022 8:20 pm
Mercury +.030" oversize piston rings Part#
Replies: 2
by
champhotrod »
Tue Nov 29, 2022 9:14 pm
2 Replies
57 Views
Last post by AU52N Wed Nov 30, 2022 10:54 pm
Loctite
Replies: 4
by
mercaholic »
Fri Nov 25, 2022 12:03 am
4 Replies
103 Views
Last post by daveswaves Fri Nov 25, 2022 3:43 pm
Classic 50 starter.
Replies: 6
by
Alex from GA »
Sun Nov 20, 2022 6:23 pm
6 Replies
87 Views
Last post by Tom Brockmeyer Wed Nov 23, 2022 4:22 pm
1969 Mercury 20HP: What has happened here????
Replies: 5
by
Seakaye12 »
Sun Nov 06, 2022 9:01 pm
5 Replies
134 Views
Last post by SteveC Tue Nov 08, 2022 2:57 am
NGk B6S V Br6S
Replies: 1
by
chuckw »
Sat Nov 05, 2022 10:38 pm
1 Replies
62 Views
Last post by daveswaves Sun Nov 06, 2022 1:08 am
LU swapping
Replies: 5
by
mercaholic »
Tue Oct 18, 2022 12:28 pm
5 Replies
140 Views
Last post by mercaholic Thu Nov 03, 2022 1:39 pm
As the story goes...
Replies: 6
by
mercaholic »
Fri Oct 28, 2022 9:50 pm
6 Replies
132 Views
Last post by mercaholic Wed Nov 02, 2022 3:25 pm
Question about 99 cu. inch L6 motors
by
BillW »
Tue Oct 25, 2022 4:00 pm
0 Replies
63 Views
Last post by BillW Tue Oct 25, 2022 4:00 pm
Lube in lower unit
Replies: 1
by
john bennig »
Wed Oct 19, 2022 2:09 pm
1 Replies
69 Views
Last post by dave bernard Wed Oct 19, 2022 2:41 pm
Alky engine
Replies: 1
by
pugsmanias »
Tue Sep 27, 2022 4:31 am
1 Replies
116 Views
Last post by AU52N Sun Oct 16, 2022 12:19 am
1988 Merc 90
Replies: 4
by
chuckw »
Sun Oct 02, 2022 2:24 pm
4 Replies
94 Views
Last post by RVRDRGN Thu Oct 13, 2022 11:28 pm
Kg7 No Spark
Replies: 20
by
Dacksy »
Tue Sep 20, 2022 2:50 pm
20 Replies
210 Views
Last post by Bob Thu Oct 06, 2022 2:05 pm
Help to I.D. KG-9 or MK40 side plates
Replies: 2
by
pugsmanias »
Sat Aug 27, 2022 6:14 pm
2 Replies
73 Views
Last post by pugsmanias Wed Oct 05, 2022 4:26 pm
1961 Merc 400 "barely" start issue
Replies: 121
by
JayhawkLB7 »
Sat Sep 11, 2021 1:42 am
121 Replies
1153 Views
Last post by dave bernard Tue Oct 04, 2022 10:09 pm
Pinion Gear Nut
Replies: 9
by
inlinemerc »
Sat Sep 24, 2022 9:25 pm
9 Replies
107 Views
Last post by krazy karl Wed Sep 28, 2022 2:30 pm
KE7 piston rings
Replies: 1
by
chuckw »
Thu Sep 22, 2022 1:38 pm
1 Replies
48 Views
Last post by john bennig Thu Sep 22, 2022 4:56 pm
Crankshaft roller bearing
Replies: 8
by
john bennig »
Tue Sep 20, 2022 2:30 pm
8 Replies
117 Views
Last post by daveswaves Thu Sep 22, 2022 4:51 pm
18 Replies
248 Views
Last post by squirrelboydeluxe Mon Sep 19, 2022 3:52 pm
Trailer wheel oil/grease seals
Replies: 4
by
squirrelboydeluxe »
Wed Sep 14, 2022 11:07 pm
4 Replies
71 Views
Last post by dave bernard Fri Sep 16, 2022 7:10 pm
Plugging vacuum hosees in on carbs with a bb
Replies: 2
by
Chopper »
Wed Sep 14, 2022 10:55 pm
2 Replies
60 Views
Last post by Chopper Fri Sep 16, 2022 4:04 am
So here's a new issue.
Replies: 3
by
mercaholic »
Mon Sep 12, 2022 11:24 pm
3 Replies
138 Views
Last post by mercaholic Thu Sep 15, 2022 1:04 pm
No spark to one cylinder
Replies: 10
by
john bennig »
Mon Sep 05, 2022 3:27 pm
10 Replies
133 Views
Last post by SteveC Wed Sep 14, 2022 2:35 am
A How To Guide for Newbies
Replies: 19
by
Fastjeff »
Sun Mar 18, 2012 3:29 pm
19 Replies
400 Views
Last post by Michael Sun Sep 11, 2022 11:32 pm
Impeller replacement on a 1959 Mark 55a
Replies: 3
by
Sturgeon Bay Sleeper »
Thu Sep 08, 2022 2:11 pm
3 Replies
94 Views
Last post by jkrowell Sat Sep 10, 2022 5:54 pm
3 Replies
82 Views
Last post by RVRDRGN Thu Sep 08, 2022 2:23 am
KG7 Blow Back
Replies: 8
by
mercaholic »
Sun Sep 04, 2022 1:19 pm
8 Replies
110 Views
Last post by Bob Tue Sep 06, 2022 6:27 pm
57 Mark 25 stator plate wear at coil
Replies: 5
by
slowstartfast »
Wed Aug 31, 2022 4:01 am
5 Replies
87 Views
Last post by slowstartfast Mon Sep 05, 2022 4:07 pm
Mark 58 Start up problems
Replies: 22
by
CarltonPeterson »
Sun Jul 31, 2022 12:00 am
22 Replies
206 Views
Last post by dave bernard Sun Sep 04, 2022 11:04 pm
Spacers
Replies: 12
by
daveswaves »
Thu May 05, 2022 9:53 pm
12 Replies
176 Views
Last post by dave bernard Sun Sep 04, 2022 3:18 pm
Mark 35A not Peeing!
Replies: 13
by
jkrowell »
Sat Aug 27, 2022 8:29 pm
13 Replies
114 Views
Last post by jkrowell Thu Sep 01, 2022 9:00 pm
FM Magneto Help
by
spitdoc »
Thu Sep 01, 2022 7:25 pm
0 Replies
25 Views
Last post by spitdoc Thu Sep 01, 2022 7:25 pm
Propeller Nut puzzle
Replies: 1
by
DaytonaJohn »
Thu Aug 25, 2022 11:44 pm
1 Replies
54 Views
Last post by DaytonaJohn Mon Aug 29, 2022 12:47 am
Mid '60s Merc 1000
Replies: 2
by
mercaholic »
Fri Aug 26, 2022 5:59 pm
2 Replies
47 Views
Last post by Rapier Sun Aug 28, 2022 3:51 pm
Merc 900 IL6 Coil
Replies: 9
by
Rapier »
Sat Aug 27, 2022 1:23 pm
9 Replies
71 Views
Last post by Rapier Sun Aug 28, 2022 3:21 pm
MK30H/MK55H mounting stud spacing
Replies: 4
by
pugsmanias »
Sat Aug 27, 2022 1:44 am
4 Replies
50 Views
Last post by pugsmanias Sat Aug 27, 2022 4:05 pm
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