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I have a 4.3L mercruiser engine, serial number OC868337. I
Hi, my name is***** have a 4.3L mercruiser engine, serial number OC868337. I just rebuilt my 2 barrel mercarb and adjusted my float to 9/16" level and 1 3/8" drop. I am using a spring needle valve, pr… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,406 satisfied customers
My customer has a 1995 19' Chapparal with a 4.3L engine. I
My customer has a 1995 19' Chapparal with a 4.3L engine. I have just done a complete tune-up on his engine, oil change oil filter, new plugs, new distributor cap and rotor, new water shutters ( old on… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,406 satisfied customers
hi i have a mercruiser 4.3l 1990 175hp with thunderbolt iv
hi i have a mercruiser 4.3l 1990 175hp with thunderbolt iv and mercarb, it was parked for 1.5yr and i tried to start but nothing happpened, i replaced sparkplugs, distribuitor cap, rotor, starter, new… read more
K. Kergan
K. Kergan
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Vocational, Technical or Trade Scho
1,031 satisfied customers
I have a 1990 Rinker 168 with a Mercruiser 4.3 v6 engine in
I have a 1990 Rinker 168 with a Mercruiser 4.3 v6 engine in it. At the end of the 2011 boating season the engine started miss firing at 3500 – 4000 rpm. So last month I had L & R Marine go through and… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,804 satisfied customers
I have a 1990 Cobia Monte Carlo 4.3L mercruiser 4bbl 205hp.
I have a 1990 Cobia Monte Carlo 4.3L mercruiser 4bbl 205hp. Yhis season it has had issues starts right up idles fine after running less than 5 min. it starts bogging down, like fallin on its face over… read more
Whitecap36
Whitecap36
Service Manager/Technician
Vocational, Technical or Trade Scho
1,556 satisfied customers
Mercruiser runs fine at high speed (3000rpms). Each time I
Mercruiser runs fine at high speed (3000rpms). Each time I slow down to a low rpm boat runs rough then stalls. If I throw shift lever into quickly into neutral boat stalls immediately, every time. I a… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
18,955 satisfied customers
I have a 1992 Dixie V19 with a 4.3 liter engine D721673. I
I have a 1992 Dixie V19 with a 4.3 liter engine D721673. I took it to the lake and it would not start unless I dribbled fuel in the carb throat. It would fire up and run for a minute. I disconnected t… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
Good afternoon, I come to you with another problem. You
Good afternoon, I come to you with another problem. You have helped in the past. I have a 1988 mercruiser 3.0l. Had a problem with it, the engine would start,idle and in neutral would rev smooth to WO… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,406 satisfied customers
2006 bayliner 197 with 3.0L mercruiser engine. idles fine
2006 bayliner 197 with 3.0L mercruiser engine. idles fine when engine is cold (2000 rmp). when engine warms up idle drops down to 1200 rmp and then engine dies. can get it to restart, but when i put i… read more
K. Kergan
K. Kergan
Inboard/Outboard Mechanic
Vocational, Technical or Trade Scho
1,031 satisfied customers
I have a mercruiser 88 3.0L I/O with points. Starts great,
I have a mercruiser '88 3.0L I/O with points. Starts great, runs great up to about the first hour. After this it is hard to keep idling and very hard to restart. Put in a new blower since old one was … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,406 satisfied customers
I have a 1986 Four Winns Horizon 190 with a Mercrusier 140
I have a 1986 Four Winns Horizon 190 with a Mercrusier 140 hp and alpha I outdrive. The engine has a Rochester(actually Mercarb) 2GC carburetor. The engine idles well, has good power, and generally ru… read more
Whitecap36
Whitecap36
Service Manager/Technician
Vocational, Technical or Trade Scho
1,556 satisfied customers
Have 4.3 LX mercruiser 1996 has New Rotor,plug wires,spark
Have 4.3 LX mercruiser 1996 has New Rotor,plug wires,spark plugs, Module, sending unit inside the distributor and cap , coil also. It has a thunderbolt ingisition. Cruises down the lake them misfires … read more
K. Kergan
K. Kergan
Inboard/Outboard Mechanic
Vocational, Technical or Trade Scho
1,031 satisfied customers
I have a 1993 Chaparral 220 Sunesta deck boat with a 5.0 liter
I have a 1993 Chaparral 220 Sunesta deck boat with a 5.0 liter 205 hp V8 with a 4 barrell Rochester carburator. I am having engine performance problems under load. With one person in the boat, she com… read more
K. Kergan
K. Kergan
Inboard/Outboard Mechanic
Vocational, Technical or Trade Scho
1,031 satisfied customers
I have a 1989 4.3litre Mercruiser engine. Starts fine, idles
I have a 1989 4.3litre Mercruiser engine. Starts fine, idles a little rough and under zero load, will rev up to 5000 rpm without a hiccup. It 'barks' pretty good. BUT....as soon as I place it in gear … read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
I have a 2005 4.3L TKS 2bCarb. Mercruiser on a Searay 200 Sport
I have a 2005 4.3L TKS 2bCarb. Mercruiser on a Searay 200 Sport Serial Number OW350213. The problem changes over time. Initially the boat would not idle well and stall on occasion. This all started af… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
Rebuilt M2/mercarb still runs rich at idle with needle seated
Rebuilt M2/mercarb still runs rich at idle with needle seated all the way in. raised flot to lower level in bool helps but still to rich. high rpm seems ok.… read more
Master Tech
Master Tech
Service Manager/Technician
Vocational, Technical or Trade Scho
1,167 satisfied customers
Hello, I have a 1996 mercruiser V8 with a new factory 2 bbl
Hello, I have a 1996 mercruiser V8 with a new factory 2 bbl carb and my boat still was a hard time idling and has a bog or stalling condition when getting off idle. I have adjusted the carb and got it… read more
Joe
Joe
Owner Kingsland Auto & Marine Services
Vocational, Technical or Trade Scho
1,392 satisfied customers
I have a 1997 larson 186 SEI I am having a intermitten problem
I have a 1997 larson 186 SEI I am having a intermitten problem with low speed acceleration. I replaced the battery because it was 6 yrs old thought maybe not enough voltage. It helped a little still n… read more
Dr. Joe
Dr. Joe
Bachelor's Degree
198 satisfied customers
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