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MASTERTECH'S
MARINE ENGINE PARTS CENTER
WE HAVE ANSWERS TO YOUR PARTS PROBLEMS

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POWERHEAD REBUILD KITS
 2, 3, 4 Cyl & Inline 6
2-STROKE OUTBOARDS

So that motor of yours has lost its pep? Made a funny noise and started running badly?
It may be rebuildable. Have it checked out!
If no critical damage is found, we can supply rebuild kits to bring it back to life!
Kits are available in multiple piston oversizes, depending on what your machine shop recommends.
U.S. standard Priority Mail shipping no charge.

Look over the chart below, and find the link to the horsepower, model, and year that matches your motor (have your serial # handy).

warning symbol NOTE!! You MUST PROVIDE THE ENGINE SERIAL NUMBER when ordering. We cannot send you the correct parts otherwise!
Please include any other pertinent information (such as multiple oversizes needed) in the Comments box at checkout,
so we can be sure you get the right kit.

INTERNATIONAL ORDERS: Please CONTACT US first so that we may send an invoice that includes shipping to you.
Typical International shipping costs: 2-3 cylinder $80.00, 4-cylinder $110.00, 6 cylinder $135.00
Thanks!

 

 
Inline Outboard Models 2-Stroke Powerhead Rebuild Kits
APPLICATION YEARS / SERIALS POWERHEAD
DETAIL PAGE
15, 20, 25 HP Mercosil Block 2.562" Bore 2-Cyl 1994 -UP 100-04-1x
30 & 40 HP 2-Cyl 1994-1997 100-06-spec
35 HP 2-Cyl 1984-1989 100-15-spec
40 HP 2-Cyl 1972-1983 100-15-spec
40 HP 3-Cyl 1997-2007 100-06-1x
50, 55, 60 HP 3-Cyl 1991-1997 100-07-1x
50 & 60 HP 3-Cyl 1998-2005 100-06-1x
65 HP Crossflow 3-Cyl 1972-1977 100-15-spec2
40, 45, 50 HP "Classic 4" Inline 4-Cyl 1970-1997 Various 100-05-1x
50 & 60 HP 3-Cyl 1984-1990 100-15-1x
70 HP 3-Cyl 1977-1983 100-15-1x
70, 75, 80, 85, 90 HP 3-Cyl Looper Bottom-guided 1987-1991 Various 100-25-1x
75, 80, 85 HP 4-CYL 1973-1986 Various 100-15-2x
70 & 90 HP 3-Cyl Looper Top-guided 1992-1993 100-35-1x
70 & 90 HP 3-Cyl Looper Top-guided 1994-UP 100-40-1x
75, 90, & 115 Optimax DFI 1.5L All 100-27-1x
100, 115, 125 HP Inline 4-Cyl Looper Bottom-guided 1989-1991 100-25-2x
100, 115 HP Inline 4-Cyl Looper Top-guided 3.375" 1992-1993 100-35-2x
100, 115, 125 HP Inline 4-Cyl Looper Top-guided 3.500" 1994-UP 100-40-2x
90, 100 ,115, 135 &150 HP Classic Inline 6-Cyl Various IL6x
 



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. All orders normally ship via USPS. Remember, all orders receive free technical support from the MasterTech!

 


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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.


Revised: March 31 2021