Boatmad.com


Reply
 
Thread Tools Display Modes
 
Old 14-03-2007, 01:37 AM   #1
Registered User
 
Peterjfinch's Avatar
 
Country: Spain
Location: Mallorca
Occupation: Retired
Interests: Boats, boats and boats
Boat name: Patriot and Forca
Boat make: Phantom 21. Falcon Bonito 36
Engines: 200hp Mariner. 2 x GM 6.5 Twin Turbo Diesels
Cruising area: The Med

Join Date: Nov 2006
Location: Mallorca
Posts: 716
Correct spark plugs for 200HP

Hi, For those following my other threads, you'll know that I have a 2003, Mariner, 200HP (I believe you would call it "a fishing engine")

When I check on NGK's web site http://www.ngksparkplugs.com/apps/de...000&country=US

They state that the correct plug, for my engine, is a BPZ8HS-10, as in picture 1. When I checked my engine, it has NGK BUZHW plugs in it, that look like picture 2, Surface Discharge type plugs.

Any ideas why? Is it recomended to use them? Can anyone suggest a supplier for whatever is the correct, for my engine? Please.

Peter
Attached Images
   
__________________

Peterjfinch is offline   Reply With Quote
Old 14-03-2007, 02:37 AM   #2
Registered User
 
Hydrostream's Avatar
 
Country: Ireland
Location: Dublin
Occupation: Boatbuilder
Boat make: Hydrostream V-king, 650SS OCR ,Ring 21, Ring 18, Phantom 18.
Engines: 300Hp Mercury 2.4, 130 Yamaha, Bridgeport EFI, XR6, Merc 200.
Cruising area: Malahide, Dublin

Join Date: May 2004
Location: Dublin
Posts: 1,803
Most people run B8HS-10 in merc V6's as they reach into the cylinder as apposed to the surface gap plugs.
__________________

__________________
www.powermarine.ie

[SIGPIC][/SIGPIC]
Hydrostream is offline   Reply With Quote
Old 14-03-2007, 08:02 AM   #3
Registered User
 

Join Date: Mar 2004
Posts: 6,891
But surface gap plugs are less prone to fouling?
Matt is offline   Reply With Quote
Old 14-03-2007, 08:44 AM   #4
Registered User
 
scottyboy's Avatar
 
Country: United kingdom
Location: West Sussex
Occupation: Grease Monkey
Interests: Makin my boat faster!
Boat name: S.B Racing
Boat make: Ocke mannerfelt canopied B23 / Zapcat
Engines: Merc 200XS Gen 2 / Tohatsu 50
Cruising area: littlehampton/Southampton

Join Date: Jan 2005
Location: West Sussex
Posts: 2,656
Quote:
Originally Posted by Matt View Post
But surface gap plugs are less prone to fouling?
Thats what i thought?
__________________
Class 3C Mono EPA National speed record holder 95.35 mph Avg!
scottyboy is offline   Reply With Quote
Old 14-03-2007, 10:28 AM   #5
Registered User
 
Burty's Avatar
 
Country: UK
Location: Weston Super Mare
Occupation: Electrical Engineer

Join Date: Mar 2004
Location: Weston Super Mare
Posts: 6,351
Send a message via AIM to Burty
I run with the type in picture one mainly because you get better spark and they are cheaper however i would have thought you would need a --9--- rated plug as your waters are warmer than ours.
Burty is offline   Reply With Quote
Old 14-03-2007, 11:43 AM   #6
Registered User
 
Burnett's Avatar
 
Country: England
Location: Hertfordshire
Occupation: Airline Operations.
Interests: Rum. Pirates. And West Cornwall pasties.
Boat name: Any suggestions?
Boat make: Ring 18
Engines: Mercury 200 Black Max
Cruising area: The Bay of 'E'

Join Date: Sep 2005
Location: Hertfordshire
Posts: 369
I would have thought that if you were planning on removing the variable-metering oil injection and run a fixed ratio then you would do better to err on the side of a plug variety less prone to fouling?

Also, wouldn't running a 'protruding' type plug move the flame front nearer to the crown of the piston at ignition and cause holed pistons over time, even if you were using the correct heat grade?

(Just my thoughts. Please correct me if I'm wrong as I'd like to learn more about this engine too seeing as it's the same as mine... )
__________________
Boat: (Noun) - A hole in the water, lined with fibreglass, into which you pour money.
Burnett is offline   Reply With Quote
Old 14-03-2007, 12:04 PM   #7
Registered User
 
Peterjfinch's Avatar
 
Country: Spain
Location: Mallorca
Occupation: Retired
Interests: Boats, boats and boats
Boat name: Patriot and Forca
Boat make: Phantom 21. Falcon Bonito 36
Engines: 200hp Mariner. 2 x GM 6.5 Twin Turbo Diesels
Cruising area: The Med

Join Date: Nov 2006
Location: Mallorca
Posts: 716
Hi Burnett,

The plugs that are recommended (by NGK) for my engine, are the 'protruding' type plug. the plugs I have in the engine are the "Surface Discharge " type (the second picture. I believe the "Surface Discharge" type are less susceptible to clogging.

Someone will know what the right setup should be, it's only a matter of time.

Peter
Peterjfinch is offline   Reply With Quote
Old 14-03-2007, 02:20 PM   #8
hello
 

Join Date: Mar 2004
Posts: 2,739
I suspect either will work just fine, so I really wouldn't worry about it to much.
JamesM is offline   Reply With Quote
Old 14-03-2007, 02:38 PM   #9
Registered User
 
The Docta's Avatar
 
Country: UK
Location: Coventry (but from Lee on Solent)
Occupation: Sales Director
Interests: My Boat of course
Boat make: Extreme 21
Engines: Merc V8
Cruising area: Solent

Join Date: Jul 2005
Location: Coventry (but from Lee on Solent)
Posts: 587
For older (i.e. 80's and 90's) carbed 2.4's and 2.5's merc recommend the surface gap type (2nd pic)



Only seems to be the other type for post 2003 motors
__________________
The Docta
The Docta is offline   Reply With Quote
Old 14-03-2007, 09:29 PM   #10
Registered User
 
Country: england
Location: the grim north
Occupation: robot
Cruising area: tyne

Join Date: Nov 2004
Location: the grim north
Posts: 915
mines always had the surface gap in from new and its a 99 200
__________________
Speed costs weight so what do we cut off first
sinkunit0 is offline   Reply With Quote
Old 14-03-2007, 09:34 PM   #11
Registered User
 
Peterjfinch's Avatar
 
Country: Spain
Location: Mallorca
Occupation: Retired
Interests: Boats, boats and boats
Boat name: Patriot and Forca
Boat make: Phantom 21. Falcon Bonito 36
Engines: 200hp Mariner. 2 x GM 6.5 Twin Turbo Diesels
Cruising area: The Med

Join Date: Nov 2006
Location: Mallorca
Posts: 716
It's strange that NGK recomend the other plug, without an alternative. Maybe the company who my engine came from, know more than NGK, lucky for me.
Peterjfinch is offline   Reply With Quote
Old 15-03-2007, 12:45 AM   #12
Registered User
 
Burnett's Avatar
 
Country: England
Location: Hertfordshire
Occupation: Airline Operations.
Interests: Rum. Pirates. And West Cornwall pasties.
Boat name: Any suggestions?
Boat make: Ring 18
Engines: Mercury 200 Black Max
Cruising area: The Bay of 'E'

Join Date: Sep 2005
Location: Hertfordshire
Posts: 369
I think NGK (along with most plug manufacturers) will always recommend a 'Nearest equivalent' along with a disclaimer at the bottom of the chart saying 'To the best of our knowledge this is right, but check with manufacturer first, etc...etc'

I once had an Alfasud car, and Alfa Romeo said ONLY to use the 4 electrode 'Lodge' branded plugs whereas Champion advised a standard looking plug (like Pic 1) Needless to say I took the word of the engine maker rather than the plug supplier!
__________________
Boat: (Noun) - A hole in the water, lined with fibreglass, into which you pour money.
Burnett is offline   Reply With Quote
Old 15-03-2007, 12:57 AM   #13
Registered User
 

Join Date: Mar 2004
Posts: 6,891
Don't get hung up on it, on a 200hp fishing motor either will be fine.
Matt is offline   Reply With Quote
Old 15-03-2007, 11:57 AM   #14
Registered User
 
Peterjfinch's Avatar
 
Country: Spain
Location: Mallorca
Occupation: Retired
Interests: Boats, boats and boats
Boat name: Patriot and Forca
Boat make: Phantom 21. Falcon Bonito 36
Engines: 200hp Mariner. 2 x GM 6.5 Twin Turbo Diesels
Cruising area: The Med

Join Date: Nov 2006
Location: Mallorca
Posts: 716
Just found this, everywhere I look they recomend the same ?????????

BPZ8HS10
NGK Spark Plug
Traditional Spark Plug fitting later model Mercury V6 engines with CDM ignition 2000 & up.

How will I check if I have CDM ignition?

Peter
Peterjfinch is offline   Reply With Quote
Old 15-03-2007, 07:49 PM   #15
Registered User
 
Burnett's Avatar
 
Country: England
Location: Hertfordshire
Occupation: Airline Operations.
Interests: Rum. Pirates. And West Cornwall pasties.
Boat name: Any suggestions?
Boat make: Ring 18
Engines: Mercury 200 Black Max
Cruising area: The Bay of 'E'

Join Date: Sep 2005
Location: Hertfordshire
Posts: 369
Get the serial number, then ring up E.P. Barrus (the importer) and ask their advice? They'll know exactly what fits I should imagine. Jay Smith will know too. There isn't much he doesn't know about these motors by the looks of things.

You could also email Mercury themselves if you wanted to, or maybe there's be some downloads of interest here:

http://www.brunswickmarineemea.eu/do...main?type=corp
__________________
Boat: (Noun) - A hole in the water, lined with fibreglass, into which you pour money.
Burnett is offline   Reply With Quote
Old 15-03-2007, 08:38 PM   #16
Registered User
 
Peterjfinch's Avatar
 
Country: Spain
Location: Mallorca
Occupation: Retired
Interests: Boats, boats and boats
Boat name: Patriot and Forca
Boat make: Phantom 21. Falcon Bonito 36
Engines: 200hp Mariner. 2 x GM 6.5 Twin Turbo Diesels
Cruising area: The Med

Join Date: Nov 2006
Location: Mallorca
Posts: 716
Thanks for the link, I'll look at it now.

I have been told that my number engine should be an EFI but I can assure you it's not.

These are the original registration details. Don't know if they make sense to you.


Product Information
Serial Number: 0T702356
Model Number: MAR 7200422MY
Model Year: 2003
Description: MA-200XL SWR
Product Status: On-line regist.




Peter
Peterjfinch is offline   Reply With Quote
Old 15-03-2007, 09:01 PM   #17
Registered User
 
roofer's Avatar
 
Location: GOLDEN MILE
Boat name: LILY THE PINK AND TERMINATOR 11
Boat make: PHANTOM 21 AND 20
Engines: 2.5 EFI X 2

Join Date: Mar 2004
Location: GOLDEN MILE
Posts: 2,475
Serial numbers for a 2.5 carb engine.
__________________
PLEASE DON'T STEAL...THE GOVERNMENT DON'T LIKE THE COMPETITION
roofer is offline   Reply With Quote
Old 16-03-2007, 12:11 AM   #18
Registered User
 
RossM's Avatar
 
Boat make: Phantom 23

Join Date: Mar 2006
Posts: 1,693
Send a message via MSN to RossM
have a look on top of your plastic cover that goes over the flywheel,should say what plugs you need.
RossM is offline   Reply With Quote
Old 20-03-2007, 02:41 PM   #19
Registered User
 
Country: Australia
Location: Australia
Occupation: Mechanic
Interests: Tinkering with V6 Mercs, Powerboat Racing.
Engines: Mercury 200,225,245.

Join Date: Feb 2007
Location: Australia
Posts: 2
year 2000 and later Mercury 200HP use a newer ignition system.
they use a total different ignition system.
there are no power packs (switch boxes) on these engines and the coils are different also.
i am led to believe this ignition system is not as strong as the traditional ignition system.
for that reason the 2000 and later use a "J" style spark plug as opposed to a surface gap spark plug.
SO70 is offline   Reply With Quote
Old 20-03-2007, 04:13 PM   #20
Registered User
 
Peterjfinch's Avatar
 
Country: Spain
Location: Mallorca
Occupation: Retired
Interests: Boats, boats and boats
Boat name: Patriot and Forca
Boat make: Phantom 21. Falcon Bonito 36
Engines: 200hp Mariner. 2 x GM 6.5 Twin Turbo Diesels
Cruising area: The Med

Join Date: Nov 2006
Location: Mallorca
Posts: 716
Hi All,

Well it looks like I need 2 new sets of plugs (1 spare). On the flywheel cover it states that the BPZ8HS-10 plugs should be used, with 1mm gap.

Thanks All.

Peter
__________________

Peterjfinch is offline   Reply With Quote
Reply

Thread Tools
Display Modes

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


Powered by vBadvanced CMPS v3.2.3

All times are GMT +1. The time now is 04:32 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
×