,�}��>u��>�V!�r���hۨ��%֒�qH�^}Gvx}���:]Kn�, �P` ����U�!& zv��1�}�"�Q��lG@B�x5��=�����jGT0V֗�q��PcM�: %P Please see the TLDI break-in chart listed below). A downloadable Yamaha outboard marine repair manual is a digital book of repair instructions that was developed to guide the mechanic in the process of maintenance, fixing and […] Please see the TLDI break-in chart listed below). Helm Master® EX. A step by step instruction/pictorial on how to change out a piston/rings etc on a 2 stroke motor. This lower unit is for Yamaha 250 horsepower engine. 5 0 obj Also, notice in the gap on the piston there is … Do not use automotive motor oil or any other type of oil in your Tohatsu 2-stroke outboard. If It is 2 stroke then model number 90-421 If 4 stroke engine then 90-421 and 90-422 depends on the year. Featuring all the parts needed to effectively rebuild an outboard powerhead in one convenient package, our powerhead rebuild kits offer a combination of cast WSM Pistons complete with Japanese rings, pins, and clips, the highest quality gaskets available, and the necessary crank bearings, rod bearings, and rod bolts. Never run your outboard if the warning lamp is on or blinking on/off. Lower unit shifts easily in forward, neutral and reverse. You must add engine oil before attempting to start your 4-stroke outboard for the first time. 1971-1989 Johnson Evinrude Outboard 1.25-60 hp, 1-2 Cyl, 2 Stroke Motors Service Repair Manual (PDF Preview, Perfect for the DIY person!) of fuel. ... How to Break in a New Yamaha Outboard Motor. See our oil/fuel chart for more info on the 50:1/25:1 ratios. We are uncompromising in our pursuit of outboard motors that are both durable and as light as possible. On average, be prepared to pay a professional mechanic anywhere from $1,500 to as much as $4,500 for an outboard motor rebuild. All motors that are fuel injected need to have dealer put in break in mode and have fuel system cleaned and checked. After the 10-hour break-in period, use the regular oil ratio. This is an age old debate that has spanned throughout the decades. In 1981, Yamaha began develop on a leisure line of outboards, and by 1983, the Yamaha outboard lineup in the United States grew to 12 2-stroke outboard models ranging from 40hp to 220hp. *=�����8E�D)'Ҩ�!�m�r.�]��~�y���"����Zλ�NI�0�B��%ʅ�Lu�]���=5��v��)���|��O�� ;o���j6�X'ĸ_/@P����ᥳac ��f�+��/��Z�2���E�S��n��\m���_5�A��fo��_T�V���O#�V�|�.�S�]"���Q˺��p�Rw VǭG�f������������1�;�h��9! Quick turn around. This is completely normal and you should see this excess oil eliminated once you finish your break-in period and resume the normal 50:1 oil/fuel mixture. Danny127 Aug 7, 2007 Cars. How to service a 2-stroke outboard engine Do it yourself! Download a Mercury 60 hp two-stroke outboard engine service manual to a computer, tablet or smartphone, instantly. d32# u9QџWI�(��\��(�|�� After your break-in period has been completed, you should change your lower unit gear case oil. Download Now 1971-1989 Johnson Evinrude Outboard 1.25-60 hp 2 Stroke (1-2 Cyl) Engines Service Repair Manual (Complete FSM Contains Everything You Will Need To Repair Maintain Your Outboard Motor!) 2 stroke engines were once notorious for being loud, heavy on fumes and somewhat off-putting to other motorists running their smooth 4 strokes. Occasionally reduce throttle to idle speed for a cooling period. ��;oir�^���B���7�&������&���������p��~�Y��j�|��������S��x9�Y��nA�Q��/�kWS�'���)e��$2m�TQTqa����,ZM��V?�|���[P�?8���Wj#� ��Vh�f;��P�K��y�. T hese kits contain most all the parts you will commonly need to complete the overhaul of your outboard's powerhead. Engine Comparison. Next generation boat control system. Yamaha 250 Lower Unit. '�6d'T��Y�ֱ�j�Ë�%|Џ�~���^?>��I?�я�W���?7��Џ�t�Hڴ�|�Y!�6k �j���O�����~���;"��~XK��&�f9_��H2��e�rӕ��� r۬�M�(C|��W�7�u�k:|��!�X�h���� Run engine at maximum of 4000-5000 rpm; Vary throttle during this time. note: If your Tohatsu 70/90 hp 3-cylinder outboard is equipped with "oil injection" (automixing of oil/fuel) you should prepare your fuel/oil ratio at 50:1 in the gas tank in addition to using the oil injection feature during the break-in period. Imagine for a moment that you have found the absolute perfect fishing hole in […] Pre-mix engines that normally run on a 50:1 ratio will need a break-in oil ratio of 25:1 during the first 10 hours of operation. How to do a "Top End Rebuild" on a 2-stroke motor. 4-Stroke Outboards Four-stroke MAPI outboards DO NOT come with engine oil already installed. bdc�i��o �P Buj�r�۞�(�t}Q��҈ �i�x8|\ olU��Z@5кa5��33wb��� I am basically complete with the rebuild of my 1994 Force 70hp. @�ه������Tw�s�?�`C\3BS�� WUo�[�o�v�) ��Qb*!�&lL�|!j���`��?��ͮ��[�;��N��O�(������!���?���;���������QD`�{���u���� x�.��?u���䏎R��ӣ�Hy8Q�X�&�^m��S41������ɚ��C��e\IUg໚[;_�q[�l� Product Description. Full throttle run allowed for no more than 5 min. Operate in gear at no more than 3000 RPM for the next 60 minutes. When the warning lamp is off, it indicates that sufficient oil pressure is present. All carbureted 2-strokes must run with "double-oil" during the break-in period (Does not apply to TLDI models. Yamaha has the parts catalogs up on their website (USA-Canada Market Area Motors Only) In 1984, the first 4-stroke Yamaha outboard motor was released. The digitally delivered book of instructions covers every aspect of service, maintenance, troubleshooting and repair. 1: Drain the old fuel. Care of Your 2-Stroke Outboard *Be advised that the break in procedures listed here are for a carburated or traditional EFI engine. note: If your Tohatsu 40/50 hp 3-cylinder outboard is equipped with "oil injection" (automixing of oil/fuel) you should prepare your fuel/oil ratio at 50:1 in the gas tank in addition to using the oil injection feature during the break-in period. Full throttle run allowed for 1 min every 10 min, Approx. ENGINE BREAK-IN FUEL MIXTURE Use a 50:1 mix in the first tank (hum, 6-gal or my 120-gallon tank?) Repeat this heat cycle process four more times. They do no apply to the new high pressure fuel injected technologies such as Optimax or Ficht. stream This step-by-step guide takes you through a service of a small 2-stroke outboard. As a result of running your outboard with a double-oil mixture, it is normal for your engine to emit more exhaust smoke than normal. Please note, we are parts suppliers only; we don't do repair work . %PDF-1.3 Remove the gearbox to check the water pump. This with the oil injection system will give adequate lubrication during break-in. Run engine at maximum of 2000-3000 rpm; Vary throttle during this time. The 90 hp Mercury manual covers every aspect of maintenance, service, troubleshooting and repair. Warranty on all parts replaced in your Outboard rebuild. Do not use automotive motor oil or any other type of oil in your Tohatsu 2-stroke outboard. << /Length 6 0 R /Filter /FlateDecode >> During the break-in period you should use a 25:1 oil/fuel mixture (2 pints of oil for every 6 gallons of gas). The lower leg. Eastcoast outboard cannot warranty any motor with water in cylinders run without oil, overheated. Normally your Tohatsu outboard uses a 50:1 oil/fuel mixture (1 pint of oil for every 6 gallons of gas). This step-by-step guide takes you through a service of a small 2-stroke outboard. The following charts show the standard "break-in" periods for Tohatsu Outboards: All carbureted 2-strokes must run with "double-oil" during the break-in period (Does not apply to TLDI models. A Mercury marine outboard repair manual provides highly detailed repair information. All Rights Reserved. Search by either your zip code and address to find the Authorized Dealer/Service Center nearest you. All parts replaced will be OEM spec. You may also notice oil coming from the around the prop and/or from the exhaust relief port hole (located near the top of the lower unit) during this period. note: Do not mix oil with fuel. ע�����ܵ�Ʀ�Y�(�h����ywu{)���c���V������x��۝�mw�4I�;�WsŕwF�$�æn೾HN�s}8��5�3�`�hg�^��O�] )�=&��S��W˺��{1�n��cT���Qc��L,E�2T,�ׄ��5� �ٰ;t9�3޸� �SK�Ӭ�,ǩ`�M;UK��^�e��R�I�K����Z$��hTDU+Oj There are times when it makes sense to economize on consumables, but this isn’t one of them. If oil level is at the appropriate levels, consult your Tohatsu dealer for assistance. DOWNLOAD Yamaha Outboard Repair Manual 1982-2011 November 8, 2016 6. Use our handy database to locate the dealers in your area! Normally your Tohatsu outboard uses a 50:1 oil/fuel mixture (1 pint of oil for every 6 gallons of gas). Failure to do so will result in extensive damage to your outboard. We recommend using Genuine Tohatsu FC-W 4-Cycle Outboard Oil (see our FAQs section for more information). During the break-in period you should use a 25:1 oil/fuel mixture (2 pints of oil for every 6 gallons of gas). at a time. It is a new aftermarket unit, not remanufactured. Look Here For POWERHEAD KITS FOR U.S. Use unleaded gasoline only (89 octane or above is recommended). Replenish as needed. Instant Download Manuals for Yamaha Outboard Engines 2.5 HP 4 HP 6 HP 8 HP 9.9HP 15HP 20 HP 25 30 40 48 50 55 60 70 75 90 100 115 130 150 200 225 250 HP 4-Stroke & 2 Stroke Models. Jet pump outboards for the shallows. Just Like any any machine or engine, the Mercury 60 horsepower 2-stroke outboard motor of a boat is subject to […] Allow the engine to cool completely. Check the spark plug. We pursue the ultimate in quality to deliver an inspirational engine experience. 2-STROKE MOTOR REPAIR PARTS INDEX LOOK HERE FOR 4-STROKE APPLICATIONS We are NOT an Authorized Yamaha Dealer The Yamaha replacement parts listed on this site are aftermarket parts. 2-STROKE BREAK-IN PROCEDURES 1. The mixing of different brands of oil may cause gelling which may cause blockage of the filter screens. Failure to do so will result in extensive damage to your outboard. Vary the rpm, and do not ride at one speed. The pictures show Mariner 3.3hp and Suzuki 2hp outboards, and while other makes of engine are subtly different, the main components should be recognisable. If the determination has been made that you need to rebuild, we have the … %��4G>�A�^�כ� _c����Pa�Y��D�k����k �\!C:B�k7��as�5cO2~�#��A��{�fh�q�|U���ة"���O/���!�tG�h�e���`5y��d��h��#7^u��m\�.>�n櫶-�G5KB���u�~޵ŕ��]��AQ'Bڭ��]��l{RH�k� �_�D��������!c���U����_>� 6"� You must add engine oil before attempting to start your four-stroke outboard for the first time. ENGINE BREAK-IN PROCEDURE Vary the throttle during the first hour, avoid constant speed for more than 2-minutes and sustained wide open throttle. After your break-in period has been completed, you should change your lower unit gear case oil. Marine motors face unique stresses, from sitting idle for extended periods in wet, salty conditions to extended runs at maximum revolutions. Start your engine and let it idle, occasionally blipping the throttle for four to five minutes. Posted 5/11/2018 Engines that normally run at 100:1 should be run at 50:1 during break-in. During the final hours of break-in you can operate at full throttle for periods of 2 minutes or less. TLDI models are direct fuel injection 2-strokes (no carburetors), therefore, break-in procedures will vary from a standard carbureted 2-stroke outboard. xŝ�rɕ���)��@�-u�ebc#�m����ڣ���� ��(� ����ϼ�|'OfVV�I�ꘈ � ��:y��o��c�/ՏU�o櫦Zn�պj������4�qW����^�ө�>���f����j����U��l�Ǜ���S��7����`t��uS�6)�F���z[��|t�[Z��z���9�To�W��E������,�Ţ��^W�b�Y���z�DzZ��UB3���/���w��������_f��\���j�nޯ6�Z��/��g(m,��~9߬��)�������'р�}����AC�ѸJ(�2�X��f���S����W�\Y^\A�Ti!S����v��(I�r��u3_.وA�:a������“*��?9��dSϻu���d�/���p��Š��y�PV! We do not recommend mixing different brands of oil (or even different kinds of oil of the same brand). Includes break-in instructions to help in installation. If the warning lamp is on (red light is on) or blinking on and off, immediately shut down your outboard and check the oil level. Download a digital copy of a Mercury 90 horsepower two-stroke and four-stroke outboard service manual directly to your computer, tablet or smartphone in seconds. %��������� Two-Stroke Premix Outboards. In the past, 2 stroke motors burned more fuel than 4 strokes. Check the recoil starter. note: This outboard is equipped with an Engine Oil Warning Lamp. Use only new clean gasoline which has been stored in clean containers and is […] No one beats our prices!! Some companies claim to be more fuel efficient than others, but in many cases, it’s a matter of splitting hairs. It contains inspection, testing, removal, disassembly, cleaning, ... How to Compression Test on Mercury 2-Stroke Outboard Engine November 17, 2016 2. note: If your Tohatsu 115/140 hp outboard is equipped with "oil injection" (automixing of oil/fuel) you should prepare your fuel/oil ratio at 50:1 in the gas tank in addition to using the oil injection feature during the break-in period. Rigging. Remove, strip and clean the carburettor. We will work to determine the cause of the rebuild. Check out https://www.eastcoastoutboard.com! See our oil/fuel chart for more info on the 50:1/25:1 ratios. BRAND MARINER OUTBOARDS . Full throttle run allowed for 2 min every 10 min. ��#���U�`S�32U�1rQ�&�h���q��{��趦~�!j4Vv5�\�������V��Od03�"6*�BJ '1����d��%�ܶ+�y]ֆ|CT��j�� Tohatsu 2-stroke outboards use TCW3 oil which is specially formulated for 2-stroke outboards. Copyright © Tohatsu Corporation. Lots of information bout it on the web. During the break-in period you should use a 25:1 oil/fuel mixture (1000 mL of oil for every 25 liter of gas). Your outboard motor is a significant investment, and you need to protect it with the best 2-stroke outboard oil you can buy. Rigging Components. Cruise at 3/4 throttle or less for the next 4 hours. TLDI models do not require pre-mixing of oil/fuel during break-in or during normal operation. 2 stroke vs 4 stroke outboard motors – which are better? 4000 rpm. note: Tohatsu 4-Stroke Outboards DO NOT come with engine oil already installed. The cost of rebuilding an outboard boat motor will depend on the exact type of motor (brand, size and year), the degree of damage, its condition and mechanic performing the rebuild. This could lead to serious engine damage due to the lack of lubrication. ˊ��NXҷ�F��W��n�I��p�ܗ�gJ�c'����m�HD�� �鉻�4&:}Fw�;m�f�p��V��h��S������o��ᷯ�_�y��o_���T|��^����y����(���eU�����+�1��G��t�k��/ �������z5_�J����AϜ(A� Download a factory Yamaha outboard repair manual. !D3��v�Z��e�0�*q�-l?l��-�r9�W�y-��� Example of a ... will break it. YAMAHA 2 STROKE POWERHEAD KITS. For example one site has a specific thermal break in schedule completed in just over an hour with double oil.