Post your technical questions here
Please limit advise to factory procedures & proven measures
by
Administrator »
Thu Nov 05, 2015 8:40 pm
0 Replies
496 Views
Last post by Administrator Thu Nov 05, 2015 8:40 pm
Mark 30 Timing Help
Replies: 3
by
spitdoc »
Tue Aug 16, 2022 10:41 pm
3 Replies
62 Views
Last post by spitdoc Wed Aug 17, 2022 9:58 pm
mark 20
Replies: 1
by
NJ John »
Wed Aug 17, 2022 6:06 pm
1 Replies
22 Views
Last post by john bennig Wed Aug 17, 2022 8:12 pm
Mark 5 prop shaft seal.
Replies: 3
by
Benjamen McLaren »
Tue Aug 16, 2022 5:23 pm
3 Replies
35 Views
Last post by Benjamen McLaren Wed Aug 17, 2022 4:55 pm
Mark 20 seals
Replies: 2
by
NJ John »
Sun Aug 14, 2022 4:24 pm
2 Replies
59 Views
Last post by AU52N Mon Aug 15, 2022 2:24 am
Mark 58 Start up problems
Replies: 18
by
CarltonPeterson »
Sun Jul 31, 2022 12:00 am
18 Replies
177 Views
Last post by dave bernard Sat Aug 13, 2022 11:03 pm
My Merc 800 CDI electronics issues.
Replies: 4
by
SteveC »
Tue Aug 02, 2022 4:00 am
4 Replies
76 Views
Last post by SteveC Thu Aug 11, 2022 3:26 am
Direct Reversing Lower Unit Question
Replies: 5
by
Hank1995 »
Fri Jul 29, 2022 3:50 pm
5 Replies
111 Views
Last post by Fingerlakeskid Thu Aug 11, 2022 3:14 am
1961 Merc 400 "barely" start issue
Replies: 91
by
JayhawkLB7 »
Sat Sep 11, 2021 1:42 am
91 Replies
791 Views
Last post by JayhawkLB7 Tue Aug 09, 2022 7:59 pm
KG7H issue
Replies: 8
by
chuckw »
Wed Jul 13, 2022 3:59 pm
8 Replies
153 Views
Last post by champhotrod Sun Jul 31, 2022 7:22 pm
1971 Merc 50hp on Go Home Lake
Replies: 14
by
Jetstar50 »
Wed Jul 27, 2022 4:18 pm
14 Replies
109 Views
Last post by mercaholic Thu Jul 28, 2022 11:23 pm
1978 in line 6 problem
Replies: 25
by
ces308 »
Tue Jul 19, 2022 10:48 pm
25 Replies
237 Views
Last post by dave bernard Wed Jul 27, 2022 8:01 pm
1959 35A gearfoot on a 1958 MK55?
Replies: 10
by
squirrelboydeluxe »
Sat Jul 23, 2022 6:20 am
10 Replies
119 Views
Last post by 58woody Wed Jul 27, 2022 3:30 pm
Frozen shafts - '64 Merc 500
Replies: 7
by
mercaholic »
Thu Jul 21, 2022 5:49 pm
7 Replies
95 Views
Last post by mercaholic Sun Jul 24, 2022 12:25 pm
NGK plugs
Replies: 19
by
chuckw »
Tue Jan 18, 2022 7:36 pm
19 Replies
370 Views
Last post by squirrelboydeluxe Sat Jul 23, 2022 5:20 am
Quicksilver Dual Control Starter Switch
Replies: 2
by
CarltonPeterson »
Tue Jul 12, 2022 2:46 am
2 Replies
59 Views
Last post by CarltonPeterson Tue Jul 12, 2022 6:57 pm
Wh7 kh7 lower unit installation
Replies: 4
by
dougw »
Mon Jul 11, 2022 12:28 am
4 Replies
66 Views
Last post by dave bernard Mon Jul 11, 2022 2:43 pm
4d 1 mag
Replies: 2
by
daveh »
Sun Jul 03, 2022 8:44 pm
2 Replies
91 Views
Last post by ctpdsr Mon Jul 04, 2022 11:07 pm
Gearcase pressure test
Replies: 2
by
inlinemerc »
Fri Jul 01, 2022 3:00 am
2 Replies
86 Views
Last post by Cottage Racer Sat Jul 02, 2022 12:33 pm
Gas Tank Question for mark 20
Replies: 1
by
jimshydroshop »
Sat Jun 25, 2022 8:38 pm
1 Replies
83 Views
Last post by dave bernard Sat Jun 25, 2022 9:09 pm
Question on hydroplane builder
Replies: 10
by
jimshydroshop »
Tue Jun 07, 2022 4:51 pm
10 Replies
220 Views
Last post by necks Thu Jun 23, 2022 5:06 pm
1956 Mark 30 gear foot question
Replies: 5
by
jimshydroshop »
Thu Jun 02, 2022 5:41 pm
5 Replies
133 Views
Last post by dave bernard Tue Jun 21, 2022 4:28 am
Quincy Throttle hookup to my stock Mark 20
Replies: 1
by
jimshydroshop »
Sun Jun 19, 2022 11:32 am
1 Replies
75 Views
Last post by AU52N Mon Jun 20, 2022 4:48 pm
1972 merc 200 20hp lower unit
Replies: 7
by
moutainmerc »
Fri May 13, 2022 5:06 am
7 Replies
150 Views
Last post by moutainmerc Fri Jun 10, 2022 11:19 pm
Merc 3.9 shift shaft
by
mercaholic »
Fri Jun 10, 2022 12:21 pm
0 Replies
28 Views
Last post by mercaholic Fri Jun 10, 2022 12:21 pm
Prop Help
Replies: 10
by
spitdoc »
Wed May 11, 2022 4:07 pm
10 Replies
164 Views
Last post by Dave Mckinney Thu Jun 09, 2022 11:19 pm
Plastic inserts to retain horseshoe
Replies: 2
by
daveswaves »
Thu Jun 09, 2022 8:06 pm
2 Replies
48 Views
Last post by daveswaves Thu Jun 09, 2022 9:41 pm
Merc 60 6 hp 1960 Cloud White Cowl
Replies: 3
by
Bob »
Sun Jun 05, 2022 12:21 am
3 Replies
73 Views
Last post by SteveC Tue Jun 07, 2022 4:41 am
NTN Bearings for 4cyl Mercs
Replies: 10
by
ctpdsr »
Wed Jan 23, 2019 11:06 pm
10 Replies
244 Views
Last post by Yellowjacket Mon Jun 06, 2022 12:22 am
no fuel coming through AJ Tillotson gravity carb?
Replies: 7
by
lowrider12 »
Sun May 22, 2022 5:49 pm
7 Replies
73 Views
Last post by lowrider12 Mon May 23, 2022 4:43 am
Portable jump box for barrel testing
by
MercuryMarc »
Sun May 22, 2022 10:01 pm
0 Replies
47 Views
Last post by MercuryMarc Sun May 22, 2022 10:01 pm
Mk15 powerhead
Replies: 2
by
exracergreg »
Thu May 19, 2022 9:14 pm
2 Replies
88 Views
Last post by exracergreg Fri May 20, 2022 12:09 am
Mercury 20/40 cubic inch piston rings
Replies: 1
by
champhotrod »
Tue May 10, 2022 1:31 am
1 Replies
83 Views
Last post by ctpdsr Wed May 11, 2022 9:17 pm
Spacers
Replies: 9
by
daveswaves »
Thu May 05, 2022 9:53 pm
9 Replies
126 Views
Last post by AU52N Sat May 07, 2022 11:13 pm
Part Numbers for O-Rings for Merc 250 Seal Retainer Ass'y A-29437A1
Replies: 9
by
Seakaye12 »
Mon Apr 25, 2022 3:38 pm
9 Replies
83 Views
Last post by AllanF Wed May 04, 2022 5:05 pm
Mark 5 - I'm so close - throttle/advance lever hitting something
Replies: 6
by
lowrider12 »
Tue May 03, 2022 6:06 pm
6 Replies
60 Views
Last post by lowrider12 Wed May 04, 2022 12:39 am
or find a Mercury: 48-34402 A4 11 inch pitch, cupped, bronze propeller
Replies: 7
by
CaptnDD »
Mon May 02, 2022 4:14 pm
7 Replies
104 Views
Last post by AllanF Tue May 03, 2022 11:27 pm
Generic Bearing House Equivalent for Merc 250 DriveShaft Bearing?
Replies: 9
by
Seakaye12 »
Fri Apr 22, 2022 3:16 pm
9 Replies
139 Views
Last post by AllanF Sat Apr 30, 2022 10:36 pm
Lower Unit Compatibility
Replies: 7
by
LenLamberg »
Fri Oct 01, 2021 3:35 pm
7 Replies
205 Views
Last post by LenLamberg Sun Apr 24, 2022 8:50 pm
Mark 78
Replies: 8
by
Scratcher »
Mon Feb 07, 2022 10:27 pm
8 Replies
159 Views
Last post by Scratcher Sat Apr 23, 2022 3:18 am
MK30 Mag Drive Housing
Replies: 3
by
ctpdsr »
Fri Apr 15, 2022 8:37 pm
3 Replies
66 Views
Last post by dave bernard Sat Apr 16, 2022 12:23 am
how do I grease my Mark 5?
Replies: 1
by
lowrider12 »
Mon Apr 11, 2022 10:52 pm
1 Replies
51 Views
Last post by dave bernard Mon Apr 11, 2022 10:58 pm
Can anyone I.D. these megaphone pipes?
Replies: 1
by
Tom Brockmeyer »
Sun Apr 10, 2022 5:40 pm
1 Replies
65 Views
Last post by Tom Brockmeyer Sun Apr 10, 2022 5:43 pm
1977 Thunderbolt 7.5hp questions
Replies: 44
by
Brad74 »
Wed Aug 25, 2021 11:52 am
44 Replies
472 Views
Last post by SteveC Fri Apr 08, 2022 2:03 am
Part number question IL6 exhaust side parts
Replies: 1
by
Rapier »
Tue Apr 05, 2022 9:17 pm
1 Replies
42 Views
Last post by AU52N Wed Apr 06, 2022 12:37 am
Merc 1000 Reverse Lockout
by
Hank1995 »
Sat Mar 26, 2022 2:30 pm
0 Replies
32 Views
Last post by Hank1995 Sat Mar 26, 2022 2:30 pm
Trigger Wires
Replies: 1
by
Brad74 »
Tue Mar 22, 2022 6:24 pm
1 Replies
40 Views
Last post by RVRDRGN Tue Mar 22, 2022 8:47 pm
KG9 initial carb settings
Replies: 3
by
mercaholic »
Sun Mar 20, 2022 4:44 pm
3 Replies
67 Views
Last post by mercaholic Tue Mar 22, 2022 12:54 pm
Impeller Height
Replies: 3
by
mercaholic »
Mon Mar 07, 2022 9:30 pm
3 Replies
102 Views
Last post by SteveC Sun Mar 13, 2022 5:33 am
Piston rings
Replies: 2
by
Bob »
Fri Mar 11, 2022 1:54 am
2 Replies
100 Views
Last post by Bob Fri Mar 11, 2022 2:09 pm
Forum permissions
You cannot post new topics in this forumcannot reply to topics in this forumcannot edit your posts in this forumcannot delete your posts in this forumcannot post attachments in this forum
