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If your supplier says:

That motor's 7 years old.
Part is no longer available.
We lose $$ on service!
EPA made me do it!
Parts at central warehouse, you'll get them next month.
We don't make parts for those.
We only do warranty work.
Our techs only fix late models.
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In Your Cart:
 
 
 
 
MERCURY & U.S. MARINER OUTBOARD POWERHEAD KITS

PARTS PACKAGES FOR REBUILDING POWERHEADS

These kits contain all the parts you will commonly need to complete the overhaul of your outboard's powerhead. If the determination has been made that you need to rebuild, we have the necessary items! And the nice part is, you will pay less for the kit than you would for the individual parts, as you save us time in ordering. So you will have all the goodies you need to do the job right.

For motors not listed, and motors under 20 HP contact me directly for the specific application. It is likely I can provide the components you need. Feel free to call about your motor or purchasing any components of these kits.


UNLIKE MANY OF OUR COMPETITORS, OUR rebuild kits include ALL of the following items, as required, unless noted:

  • PISTONS/ RINGS/ WRISTPINS/ RETAINERS.
  • COMPLETE GASKET & SEAL KIT.
  • CRANKSHAFT MAIN BEARINGS
  • CONNECTING ROD LARGE & SMALL END BEARINGS.
  • CONNECTING ROD BOLTS
  • GASKET SEALING COMPOUNDS AND CRANKCASE SEALER.
  • TECHNICAL ASSISTANCE FROM THE MASTERTECH.

 

WISECO PISTONS AVAILABLE FOR MANY KITS AT HIGHER PRICE.
HOW TO ORDER

Look for the basic manufacturer and horsepower on the table below, click the appropriate box to go to that area. Then, just add the kit you need to the shopping cart.
BE SURE and submit THE MODEL and SERIAL NUMBER as well as the PISTON OVERSIZE information in the special instructions area of the order form.

warning symbolNOTE!! I reiterate, you MUST PROVIDE THE MODEL and SERIAL NUMBER as well as the PISTON OVERSIZE when ordering.
I cannot send you the correct parts otherwise!


Many prices have changed recently; we haven't had time to go thru all of these and re-figure them.
Prices are a general guide only. Please contact us for current prices

PRICES ARE REPRESENTATIVE ONLY! PLEASE CONTACT US IF YOU HAVE ANY QUESTIONS.


3 & 4-CYLINDER SPORT JET SEE FORCE LISTING



MERCURY 2-3 Cylinder Kits to 70 HP
Please remember to enter your SERIAL #  and any OVERSIZE REQUIRED in the shopping cart !!

OVERSEAS CUSTOMERS: SHIPPING 2 & 3 CYLINDER KITS IS $80 SHIPPING BY PRIORITY MAIL
35 Hp 84-89
40 HP 72-83
STD., +.015, .030
NOTE: top main must come OEM, not included, $146.00 ADDITIONAL.
$305.00
50, 60 HP 3 cyl 84-90 Crossflow
USE Low Dome Pistons
STD., +.010, .020, .030, .040 $552.00
40, 50, 60 HP 3-cyl
1998-05
STD., +.010, .020, .030, .040 $640.00
50, 55, 60 HP 3 cyl
1991-97
Loop charge
STD., +.010, .020, .030, .040 $765.00
65 HP 73-76
Crossflow
USING Low Dome Pistons
STD., +.020, .030, .040
WISECO pistons
No Rod Bolts Available
$539.00
3 & 4 Cyl: Top or bottom guided rod??
You can ID these by looking at the forging number on the rod. TOP GUIDED is # 646-81884.
BOTTOM GUIDED is # 638-85321

Please remember to enter your SERIAL #  and any OVERSIZE REQUIRED in the shopping cart !!

OVERSEAS CUSTOMERS:
SHIPPING 4-CYLINDER KITS IS $110 SHIPPING BY PRIORITY MAIL
70 HP 77-83
Crossflow
USING Low Dome Pistons
STD., +.020, .030, .040
WISECO pistons
No Rod Bolts Available
$539.00
Classic Inline 4
50 HP 70-85
45 HP 86-89
40 HP 90-97
STD., +.010, .020, .030, .040 Merc Classic 50 Rebuild Kit

 

 



Click Image For Larger 
$485.00
70 HP 87-89
75 HP 90-91
80 HP 87-89
85 HP  87-91
90 HP 87-91
3 cyl looper
Bottom guided rod
STD., +.010, .020, .030, .040 $713.00
75 HP 84-86
80 HP 68-83
85 HP 73-77
4 cyl crossflow
STD.,+.010, .020, .030, .040 $736.00
75, 90 HP
92-93 3 cyl looper
Top guided rod
STD., +.015, .030
includes rod bearing NEEDLES ONLY. Avaialable w/CAGED BEARINGS on request
$642.00
75 HP 94-07
90 HP 94-07
3 cyl loop charge
Bottom guided CARB Motors
STD., .015, .030
ROD BEARING & CENTER MAIN NEEDLES ONLY Avaialable w/CAGED BEARINGS on request
Kit includes poppet kit and thermostat
$659.00
100, 115 HP
89-91 Inline 4 cyl looper
Bottom guided rod
STD., +.015, .030
includes rod bearing NEEDLES ONLY.
Avaialable w/CAGED ROD BEARINGS on request
$831.00
100, 115 HP
92-93 Inline 4 cyl looper
Top guided rod
STD., + .015, .030 $839.00
115, 125 HP 4 cyl Inline
("L4") 94 up
Top guided rod
STD., +.015, .030 $905.00
Mercury 6 Inline, 90-150 HP
Please remember to enter your SERIAL #  and any OVERSIZE REQUIRED in the shopping cart !!

OVERSEAS CUSTOMERS: SHIPPING 6-CYLINDER KITS IS $120 SHIPPING BY PRIORITY MAIL
90 HP 78-87
115 HP 70-88
135 HP 70-71
140 HP all
150 HP 73-78
100 C I D crossflow
"Low dome" piston
INLINE 6
STD., +.010, +.020, +.030, +.040
Uses low dome pistons for all of these.
High dome pistons are discontinued
The kit includes rod bearing needles only. Caged bearings available at extra charge

Wiseco pistons also available in .020, .030, & .040 at higher prices
$850.00
May Vary Depending on Availability
Mercury V6 Kits 2.0, 2.4, 2.5 Litre
Please remember to enter your SERIAL #  and any OVERSIZE REQUIRED in the shopping cart !!
Due to the many powerhead changes on the V6 Mercs, THIS INFORMATION IS IMPERATIVE!!

OVERSEAS CUSTOMERS: SHIPPING V6 KITS IS $120 SHIPPING BY PRIORITY MAIL
135 HP 81-90
150 HP 79-91
150 XR2 79-85
175 HP 76-81
2.0 & 2.4 litre
(Bottom guided rod)
PRO-V PISTONS (coated skirts)
STD., +.015, .030
$1,130.00
135 HP 2.0L 1991 ONLY PRO-V PISTONS (coated skirts)
STD., +.015, .030
$1,163.00
150 HP 83-91 PISTONS with anti-friction
moly-coated coated skirts
STD.,+.010, .020, .030, .040
$1,099.00
135 HP 92-05
150 HP 92-00
2.0 litre CARB Motors
(Top guided rod)
PISTONS with anti-friction
moly-coated coated skirts
STD.,+.010, .020, .030, .040
$1,160.00
135 & 150 HP DFI 2.5L
OPTIMAX 2.5L

THRU SERIAL # 0T178499
(head gasket type) THRU 1997


SERIAL 0G590000-0G960499
(head gasket type) THRU 1997
STD., +.015, .030 $1,243.00
135 & 150 HP
CARB & DFI 2.5L
OPTIMAX 2.5L

SERIAL 0G960500-0T178498
(O-RING type) 1998-2004

STD., +.015, .030 $1,243.00
135 & 150 HP DFI 2.5L
OPTIMAX 2.5L

SERIAL 0T178500-UP
(O-RING type) 2005-UP

STD., +.015, .030 $1,243.00
200 HP, 1991 ONLY
2.5 litre
STD., +.015, .030 $1,188.00
150 HP 1998-02
XR6 1992-04
XRI 1992-03
All 175, 200 HP 1992-00
Incl. EFI (not DFI)

SPORT JET 2.5L 1995-UP
(top guided rod)
STD., +.015, .030 $1,220.00
200 HP 78-90
225 HP 80-81
2.4 litre
Kits are STANDARD BORE only! Oversizes require re-sleeving at additional cost.
This is a chrome bore motor.
Contact us for kits involving oversizes
$1,336.00
Mercury V6 Kits 3.0
Please remember to enter your SERIAL #  and any OVERSIZE REQUIRED in the shopping cart !!
IMPORTANT NOTE:
There was a change in the lower crank bearing cap. If your original is a 1-piece single seal cap, it must be replaced with the upgraded 2-seal cap, $125.00 additional, as per factory service bulletin. Do not re-use the single-seal cap!

OVERSEAS CUSTOMERS: SHIPPING V6 KITS IS $120 SHIPPING BY PRIORITY MAIL
225-250 1994-1998
3.0L
STD., +.015, .030
See note above. IMPORTANT!
$1,653.00
Top or bottom guided rod??
You can ID these by looking at the forging number on the rod. TOP GUIDED is # 644-818141
BOTTOM GUIDED is # 636-8118
this for V6 MODELS only.
Please remember to enter your SERIAL #  and any OVERSIZE REQUIRED in the shopping cart !!
Mercury V6 SPORT JET KITS
Please remember to enter your SERIAL #  and any OVERSIZE REQUIRED in the shopping cart !!

OVERSEAS CUSTOMERS: SHIPPING: ALL V6 KITS $120 SHIPPING BY PRIORITY MAIL
200 DFI 2.5L SportJet STD.,+.015, .030, .040 $1,245.00
210 SportJet Carb STD.,+.010, .015, .020, .030, .040 $1,321.00
240 SportJet STD.,+.010, .015, .020, .030, .040 $1,298.00
250 SportJet DFI STD.,+.015, .030, .040 $1425.00


DON'T SEE WHAT YOU NEED? JUST ASK.
QUICK QUOTE FORM
QUICK SECURE ORDER FORM

Now that you have found what you need, please order it using the shopping cart above, the secure quick order form, or call in your order . We pay the freight out in USA on all orders over $100.00. Orders less than this amount will have a shipping and handling charge of $8.75 added. Some bulky and heavy items will incur additional charges. You will be notified beforehand if this is the case. Remember, all orders receive free technical support from the MasterTech!

 
 

Please review our Warranty, Returns & Refunds policies before you place an order.

DISCLAIMER

The information provided on these pages is correct to the best of my knowledge, however the MasterTech makes no warranty, express or implied, regarding the use of, results of, or liability created from, application of this data. This information is disseminated in good faith, however MasterTech assumes NO LIABILITY whatsoever in regard to this service. The information, software, products, and services published on this web site may include inaccuracies or typographical errors. Changes are periodically added to the information herein. Mastertech may make improvements to this site at any time. Parts ordered from this website may or may not be in dealer stock at the time of order. Thank you for reading.