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

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POWERHEAD REBUILD KITS
 V6 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: 6 cylinder $135.00
Thanks!

 

 
V6 2-Stroke Powerhead Rebuild Kits
APPLICATION YEARS / SERIALS POWERHEAD
DETAIL PAGE
135-150 HP 2.0L Bottom Guided 3.125 Bore 1983-1990 100-50-1x
135 HP 2.0L Bottom Guided VerticaL Reeds 3.125 Bore 1991 ONLY 91-135x
135-150 HP 2.0L Top Guided, Horiz. Reeds Pinned Heads 1992-1999 100-30-1x
135-175 HP 2.5L Optimax DFI Gasket Heads Thru Serial # 0G960499 100-49-gsk
135-175 HP 2.5L Optimax DFI O-ring Heads Rods Stamped "644-" Serials
0G960500 thru 0T178499		 100-28-1x
135-175 HP 2.5L Optimax DFI O-ring Heads Rods Stamped "600-" From Serial # 0T178500 100-49-1x
175 HP 2.5L Sport Jet Carb with O-ring Heads All 100-20-5x
2.5L 200 HP 3.500 Bore Rods Stamped "644-" 1991 ONLY Serials
0C291520 thru 0D081999		 91-200x
2.5L Carb Models with Gasket Heads 3.500 Bore All 100-20-3x
2.5L Carb Models with O-ring Heads 3.500 Bore All 100-20-4x
2.5L EFI Models with Gasket Heads Top Guided 3.500 Bore All 100-20-1x
2.5L EFI Models with O-ring Heads Top Guided 3.500 Bore All 100-20-2x
2.5L DFI Sport Jet 200 HP with O-ring Heads Rods Stamped "600-" All 100-49-2x
2.5L Sport Jet 210 HP Carb All 100-20-7x
2.5L Sport Jet 240 HP EFI All 100-21-8x
3.0L Sport Jet 250 HP DFI All 100-47-2x
3.0L Carb & EFI with Single Roller Center Main Bearings All 100-45-2x
3.0L Carb & EFI with Double Roller Center Main Bearings All 100-45-1x
3.0L Optimax DFI Oval Pocket Pistons, Single Roller Center Mains All 100-47-1x
3.0L Optimax DFI Round Pocket Pistons, Single Roller Center Mains All 100-48-1x
3.0L Optimax DFI Round Pocket Pistons, Double Roller Center Mains All 100-48-2x
 



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