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Thread: Tune Up Time?
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04-24-2012, 09:41 AM #1
Tune Up Time?
I have a 05 xlv with the 340 Indmar. I have about 300hrs on it and it looks like the plugs, wires, cap and rotor are stock. Any one know the part numbers for the cap, rotor, and wires? It also appears that I have to take the exhaust manifolds off to get at 2 of the spark plugs?
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04-24-2012, 10:01 AM #2Senior Member
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Call Discount Inboard Marine. Tell them what you have and they will get you the right parts. Those guys are some of the best to deal with.
Last edited by MOOMBA_97; 04-24-2012 at 10:04 AM.
2001 Outback LS
" Son, I'm Captain Jack Sparrow "
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04-24-2012, 12:15 PM #3
I don't have info to help with your parts search. I wouldn't think that you would have to take an exhaust manifold off to remove some spark plugs. I thought the v-drive compartments had dividers that could be removed for access to tight areas.
2003 Outback, Assault EFI, (6) Polk Audio DB651s, JL Audio M6600 amp, JL Audio M1700 amp, JL Audio 10w6v2 subwoofer
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04-24-2012, 12:59 PM #4
'06 with the 340 ext. you don't have to take the manifolds off, but it helps to have a swivel and an extension on your socket. carefully take them out and watch for crossthreading as you are putting them back in. iirc, 2 of them are somewhat difficult to get to without lowering the dividers and hunching on your side in the lockers. I broke a spark plug wire on my first plug change with one of them on the back(front) of the motor closest to the transom..
seems that you have to use the spark plug socket(and it needs to be a real thin one) to loosen the plugs then take it off and do the rest by hand. with the socket still on the plug, it won't thread out enough to clear the ex. mani.. again, all iirc. been several months since I fogged her...
oh ya, forgot, I bought plug wires off ebay for around $25/set. same factory indmar wires that were on the engine new. plugs have been swapped out several times from autozone for standard efi 5.7sbc plugs. no help on the cap as i have not replaced it yet..Last edited by sandm; 04-24-2012 at 01:02 PM.
'06 Supra Launch 20SSV-gone but never forgotten
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04-24-2012, 01:09 PM #5Banned
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The part numbers should be in the owners manual.
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04-24-2012, 05:10 PM #6
300 hours is not a lot of hours. I would think everything except the plugs are fine. I would recommend changing the plugs more frequently than the 300 hr mark. 100 hrs is recommended
09 21v LAUNCH
99 Outback LS. Sold
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04-25-2012, 11:05 AM #7
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04-25-2012, 11:47 AM #8Banned
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We all need to remember that an engine running in boat and one in a car are in different situations. Cars can coast, and run 1500-2000 RPM average? Boats are basically always running "uphill" all the time, and running at higher RPM usually. Imagine if your car or truck drove up a steep hill all the time, how much more wear would be on the engine and its parts.
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04-25-2012, 01:05 PM #9
I know the loads are different but not so much so to require a 100 hr spark plug life. 100,000 miles on a car is about 3,333 hours on one set of plugs. I think some boat plugs could easily last 500 hours.
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04-25-2012, 01:05 PM #10
I may be wrong tho but that is just my opinion
Sent from my iPhone newtys droid killer using TapatalkDavid
2017 Moomba Mojo Max Surf Edition, 2 Pair Wetsounds Rev10s powered by an SD2, 6 pair Wetsounds XS650M and Wetsounds XS12 powered by SD6 all controlled by a WS420. 2 Lumitec SeaBlaze X2 Spectrum underwater lights
SOLD***2008 Mobius LSV, Gravity III , Wake Plate, Z5, Exile SX65c's, Exile XM9s, Exile XI12D, Exile Javelin, Exile 30.2***SOLD