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Fuel injectors on carb not working on mercruiser 4.3L, On
Fuel injectors on carb not working on mercruiser 4.3L … read more
Jason
Jason
Marine Mechanic
18,814 satisfied customers
I have a 1988 ski centurion with a 351. It won't start. If I
Hello. I have a 1988 ski centurion with a 351. It won't start. If I pour gas down the carb it will kinda start and stall and sometimes when I stop cranking the engine it will want to crank backwards f… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,496 satisfied customers
1999 moomba möbius. Holley 4160 Carburetor. Pulls out the
1999 moomba möbius. Holley 4160 Carburetor. Pulls out the hole, and will run good till it gets up o running temp then starts busting up with light pops coming from maniold… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
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I have a 1993 Mercruiser 3.0. runs great at idle and top end,
I have a 1993 Mercruiser 3.0. runs great at idle and top end, but when traveling at low speed such as a no wake zone, the motor seems to bog down (wants to stall and runs rough) i have to hit the thro… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
I have a 1986 formula 242ls with a new mercruiser 275hp. from
I have a 1986 formula 242ls with a new mercruiser 275hp. from first mate . alpha with a 15 x 16degree prop. the boat will not go aver 3000 rpm. i have thunderbolt iv and it is working properly engine … read more
K. Kergan
K. Kergan
Inboard/Outboard Mechanic
Vocational, Technical or Trade Scho
1,031 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 asked this question last night and got an answer asking me
I asked this question last night and got an answer asking me more questions. When I answered that, I received technical difficulties. So I will try again. My Mercruiser 4.3L engine 2001 motors and won… read more
Whitecap36
Whitecap36
Service Manager/Technician
Vocational, Technical or Trade Scho
1,545 satisfied customers
I have a Redline Marine Ford 351W. The mechanic put on a new
I have a Redline Marine Ford 351W. The mechanic put on a new Holley 4160 carb and Dist cap and I have lost 2-300 RPM on top end.… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
AQ271C with edelbrock torker II carb problems.Fitted inside
AQ271C with edelbrock torker II carb problems. Fitted inside a "Smuggler 24" open, low weight plastic boat. (Currently have an old Holley 450 carb, but it just gave up and can not even revv up from id… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I have a 92 Crownline boat with a MerCruiser 4.3 LX / V6 Alpha
I have a '92 Crownline boat with a MerCruiser 4.3 LX / V6 Alpha One engine with Thunderbolt IV Ignition - it is destroyed due to cracked Manifolds. I have found a rebuilt ready to drop in 4.3 litre (n… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I got a crack in my mercruiser 5.0l block. I have replaced
I got a crack in my mercruiser 5.0l block. I have replaced it with a 5.7l. My question is does there have to be anything done to the carberator when switching to the larger block? New jets adjusted di… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
i have a 1989 mastercraft prostar 190. the engine is a 351
i have a 1989 mastercraft prostar 190. the engine is a 351 ford Win. It has a 4160 holley carb. the engine is running a little rough, and it is starting to start a little rough (lots of cranking). its… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
My 25ft 1977 prostock boat from CA. came stock with a twin
My 25ft 1977 prostock boat from CA. came stock with a twin turbo 454 chev. It's a 7lb rayjay system from Performance First Marine. It has a 1977 780 holly on it. The boat loads up on the bottom making… read more
shane j forrest
shane j forrest
Vocational, Technical or Trade Scho
270 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
we have a 2004 bennington pontoon with a mercruiser 115 hp
we have a 2004 bennington pontoon with a mercruiser 115 hp efi outboard. today we notcied the tach was reading 6000 rpm (i really don't think the motor was reving @ 6000) and it ran more like a speed … read more
Jeremy R.
Jeremy R.
5,362 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
1,386 satisfied customers
I have a 4.3l Mercruiser that floods if I have the ignition
I have a 4.3l Mercruiser that floods if I have the ignition key in the on position. We rebuilt the carb and this still happens. the previous owner had a napa electric fuel pump on it (looks like a qui… read more
Joe
Joe
Owner Kingsland Auto & Marine Services
Vocational, Technical or Trade Scho
1,386 satisfied customers
Installed a new holley 600 on a 4.3L, it is the model supposedly
Installed a new holley 600 on a 4.3L, it is the model supposedly calibrated for a 4.3L. Runs perfect at Idile but when throttle is opened wide open it acts like it is flooding out. When you put the th… read more
Master Tech
Master Tech
Service Manager/Technician
Vocational, Technical or Trade Scho
1,167 satisfied customers
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