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Thread: Information on 2001 Pro Max 300X
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05-27-2017, 09:45 AM #1
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Information on 2001 Pro Max 300X
I am looking at a center console with a pair of Mercury 300x Pro Max outboards. Tried to look up specs and all I can find is on the short shaft racing models. They have 600 hours.
Are these engines EFI, are they like the Optimax as in DI. Is the oil injection a plastic gear, etc?
Thanks in Advance....
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05-27-2017, 10:12 AM #2
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Efi,but not optimax. electric oil injection pump. Probably will burn quite a bit of fuel on that
action mobile marine, 772 528 0754, dealers for aces fuel products,wolf efi, pro marine,latham and gaffrig/livorsi. we build gearcases and modify them(3 litre) to ratchet, and powerheads as well. 21 skater/3 litre wolf efi 113 mph the engine build http://www.screamandfly.com/showthre...-3-litre-build
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05-27-2017, 11:44 AM #3
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Thanks. I figure they are gas hogs but that does not bother me.
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05-27-2017, 12:13 PM #4
7000 RPM
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I think 300 promax and 300x are different motors
19 bullet
82 v king
84 v king
93 stv pro comp
07 venom
80 gt20
93 v-21
89 stv procomp
97 xr 2001
89 stv pro comp
82 17 action marine
99 action craft flats boat
88 xr2002
90 Stv pro comp
10 mirage 1/4 master
98 mirage 1/4master
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05-27-2017, 12:23 PM #5
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I thought so too, but if you zoom in on the pics it says 300X on the motors both front and side.
Originally Posted by speedinstream
Where do I find the model # and serial #'s on these engines?Last edited by wannabee; 05-27-2017 at 12:26 PM.
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05-27-2017, 12:41 PM #6
7000 RPM
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Seen that mite be custom stickers
19 bullet
82 v king
84 v king
93 stv pro comp
07 venom
80 gt20
93 v-21
89 stv procomp
97 xr 2001
89 stv pro comp
82 17 action marine
99 action craft flats boat
88 xr2002
90 Stv pro comp
10 mirage 1/4 master
98 mirage 1/4master
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05-27-2017, 01:05 PM #7
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OK I found a 300 Pro Max owners manual online- says 6200 rpm max. 92 octane, shows where serial #'s are.
NADA has a 1999 XL Pro Max 300 and 2000 also. But not 2001....
I don't think they are custom stickers, rather denote a model....Last edited by wannabee; 05-27-2017 at 01:15 PM. Reason: corrected info
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05-27-2017, 01:11 PM #8
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Post the serial number. A 300 Pro Max is not a 300X
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05-27-2017, 01:55 PM #9
7000 RPM
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That's what I thought totally different animals Originally Posted by vnemous
19 bullet
82 v king
84 v king
93 stv pro comp
07 venom
80 gt20
93 v-21
89 stv procomp
97 xr 2001
89 stv pro comp
82 17 action marine
99 action craft flats boat
88 xr2002
90 Stv pro comp
10 mirage 1/4 master
98 mirage 1/4master
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05-27-2017, 02:02 PM #10
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I am going to look at the boat next week, will get numbers then...
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05-27-2017, 03:03 PM #11
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See if the power heads are painted black or raw,unpainted aluminum.
Ask what the compression is. The X is higher compression than the promax.Rob Lankford
1988 20' Action Marine 2.4 200
Previous owned boats worth mentioning
1976 17' Action Marine 2.4 200
1984 20' Action Marine 2.5 200
1983 17' Hydrostream V-King 2.4 Bridgeport
2003 LPB STV RR COPY 2.5 280 /300 Drag
2005 LPB STV RR COPY 2.5 280
2005 Baja 23 Outlaw 6.2 Mercruiser
2006 FTP Quarter Shot T3 Race 2.5 200 CARB/2.5 225 PROMAX
2009 FTP Quarter Shot T3 Race 2.5 280
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05-27-2017, 03:43 PM #12
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Here are head casting and computer numbers from my 01 X for comparison.
Last edited by vnemous; 05-27-2017 at 03:46 PM.
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05-27-2017, 04:51 PM #13
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promax has 4 butterfly intake,the X has down draft intake..................
TRANSPORT SERVICE...UP TO 36 FEET....YOUR TRAILER OR MINE...
FULLY INSURED...............
DOT & CDL COMPLIANT $400,000.00 CARGO & 1 MILLION LIABILITY.
LIVE LIFE ON THE EDGE, LESS CROWED BETTER VIEW
...............2022 3500 HD SILVERADO DUALLY 6.6 TURBO. 8 FT BED...LETS PULL IT.................
http://www.frankmoletransport.com/
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05-27-2017, 07:37 PM #14
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Like Frank said
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05-27-2017, 07:51 PM #15
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Does it have 2 computers on the back of the engine? If so it is a promax. If one computer on the side it is an x
action mobile marine, 772 528 0754, dealers for aces fuel products,wolf efi, pro marine,latham and gaffrig/livorsi. we build gearcases and modify them(3 litre) to ratchet, and powerheads as well. 21 skater/3 litre wolf efi 113 mph the engine build http://www.screamandfly.com/showthre...-3-litre-build
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