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to get great parts for your outboard?

Right Here!

 

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Sign Reads "Wanted: Good Woman Must Be Able To Clean, Cook, Sew,  Dig Worms, and Clean Fish.  Must Have Boat and Motor. Please Send Picture of Boat and Motor.

 

Meet the MasterTech!
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Bill the Master Tech

 

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.
No clue what's wrong! So we'll work time & material.

Baloney!!

Contact
the Mastertech!

 

 


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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
  • CRANKSHAFT SEAL RINGS ON FORCE PRODUCTS
  • GASKET SEALING COMPOUNDS AND CRANKCASE SEALER.
  • TECHNICAL ASSISTANCE FROM THE MASTERTECH.

 

ALL KITS ARE BEING FIGURED USING VERTEX or PRO-V PISTONS.
WISECO PISTONS AVAILABLE FOR MOST KITS AT HIGHER PRICE.
KITS LISTING OVERSIZES OTHER THAN .015 & .030 LIKELY ARE STILL FIGURED WITH WISECO PISTONS
AND WILL BE REVISED WHEN WE GET TIME

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.


* ABOVE KITS REVISED 12/10 INCLUDE STAT AND IMPELLER

MERCURY 2-3-4 Cylinder Kits to 70 HP
Other Kits Available - - please call.

Please remember to enter your MODEL/SERIAL #  and OVERSIZE INFO in the shopping cart !!
35 Hp 84-89
40 HP 72-83
STD., +.015, .030
NOTE: top main must come OEM, not included, $140.00 ADDITIONAL.
$339.00
Classic Inline 4
50 HP 70-85
45 HP 86-89
40 HP 90-97
STD., +.010, .020, .030, .040 $545.00
50, 60 HP 3 cyl 84-90
65 HP 73-76
70 HP 77-83
Crossflow
USE Low Dome Pistons
STD., +.010, .020, .030, .040 $549.00
50, 55, 60 HP 3 cyl
1991-97
Loop charge
STD., +.010, .020, .030, .040 $670.00
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 MODEL/SERIAL #  and OVERSIZE INFO in the shopping cart !!
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., +.015, .030
includes ROD BEARING & CENTER MAIN
NEEDLES ONLY.
Avaialable w/CAGED ROD BEARINGS
on request
$652.00
75 HP 84-86
80 HP 68-83
85 HP 73-77
4 cyl crossflow
STD., + .015, .030 $646.00
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 94-04
90 HP 87-UP
3 cyl loop charge
STD., +.015, .030
includes ROD bearing & CENTER MAIN NEEDLES ONLY.
Avaialable w/CAGED BEARINGS on request
$692.00
*SPORT JET (FORCE BLOCK)
*90/95XR 1993-95
*L-DRIVE
STD., .010, .020, .030 $620.00
*SPORT JET (FORCE BLOCK)
*95XR 1996-97
STD., .020, .030
DOES NOT INCLUDE LOWER MAIN BEARING
$540.00
*SPORT JET (FORCE BLOCK) 91-95
*120/120XR
*L-DRIVE
STD., .010, .020, .030
DOES NOT INCLUDE LOWER MAIN BEARING
$797.00
*SPORT JET (FORCE BLOCK)
*120/120XR 1996-2000
STD., +.020, .030
DOES NOT INCLUDE LOWER MAIN BEARING
$737.00
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 MODEL/SERIAL #  and OVERSIZE INFO in the shopping cart !!
90 HP 78-87
115 HP 70-83
135 HP 70-71
140 HP 1972
crossflow 100 C I D
"High dome" piston INLINE 6
STD., +.015, .030
Higher compression.
NOT for low dome models!
$915.00
115 HP 84-88
140 HP 78-81
150 HP 73-78
100 C I D crossflow
"Low dome" piston INLINE 6
STD., +.015, .030
More reliability. Use interchangeably
with High dome motors. Recommended
$915.00
Mercury V6 Kits 2.0, 2.4, 2.5 Litre
Please remember to enter your MODEL/SERIAL #  and OVERSIZE INFO in the shopping cart !!
Due to the many powerhead changes on the V6 Mercs, THIS INFORMATION IS IMPERATIVE!!
135 HP 81-91
150 HP 79-91
175 HP 76-81
2.0 & 2.4 litre
(Bottom guided rod)
VERTEX PISTONS
STD., +.015, .030
$1203.00
135 HP 92-96
150 HP 92-96
2.0 litre CARB Motors
(Top guided rod)
STD., +.015, .030 $1,110.00
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 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
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 MODEL/SERIAL #  and OVERSIZE INFO in the shopping cart !!


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.