F250 LF250 - Yamaha Motor Company

1 F250LF250 OWNER S this owner s manual carefully before operating your outboard Page 1 Thursday, March 9, 2006 10:20 AMImportant manual informationEMU31280To the ownerThank you for choosing a Yamaha outboardmotor. This Owner s Manual contains infor-mation needed for proper operation, mainte-nance and care. A thorough understanding ofthese simple instructions will help you obtainmaximum enjoyment from your new you have any question about the operationor maintenance of your outboard Motor ,please consult a Yamaha this Owner s Manual particularly importantinformation is distinguished in the followingways. The Safety Alert Symbol means AT-TENTION! BECOME ALERT! YOUR SAFE-TY IS INVOLVED!WARNINGEWM00780 Failure to follow WARNING instructionscould result in severe injury or death to themachine operator, a bystander, or a per-son inspecting or repairing the :ECM00700A CAUTION indicates special precautionsthat must be taken to avoid damage to theoutboard :A NOTE provides key information to makeprocedures easier or continually seeks advancements inproduct design and quality.

2 Therefore, whilethis manual contains the most current productinformation available at the time of printing,there may be minor discrepancies betweenyour machine and this manual. If there is anyquestion concerning this manual, please con-sult your Yamaha :The F250TR, LF250TR and the standard ac-cessories are used as a base for the explana-tions and illustrations in this some items may not apply to , LF250 OWNER S MANUAL 2006 by Yamaha Motor Corporation, USA1st edition, March 2006 All rights reprinting or unauthorized usewithout the written permission ofYamaha Motor Corporation, USAis expressly in JapanP/N Page 1 Thursday, March 9, 2006 10:20 AMTable of contentsGeneral information .. 1 Identification numbers record .. 1 Outboard Motor serial number .. 1 Key number .. 1 Emission control information .. 1 North American 1 Star labels .. 2 Safety information .. 3 Important 4 Warning 4 Basic boating rules (Rules of the road).

3 5 Steering and sailing rules and sound 5 Rules when encountering 5 Other special situations .. 6 Fueling instructions .. 8 Gasoline .. 9 Engine 9 Battery 10 Battery specifications .. 10 Propeller 10 Start-in-gear protection .. 11 Basic components .. 12 Main components .. 12 Remote control .. 13 Remote control lever .. 14 Free accelerator .. 14 Throttle friction 15 Engine stop lanyard 15 Main 16 Power trim and tilt switch on remote control or tiller 16 Power trim and tilt switch on bottom engine cowling .. 17 Power trim and tilt switches (twin binnacle type) .. 17 Trim tab with 17 Tilt support lever for power trim and tilt or hydro tilt 18 Top cowling lock lever (pull up type) .. 19 Flushing device .. 19 Water 19 Digital tachometer .. 20 Low oil pressure warning indicator .. 20 Overheat warning indicator (digital type) .. 20 Speedometer (digital type) .. 21 Trim meter (digital type).

4 21 Hour meter (digital type) .. 22 Trip meter .. 22 Clock .. 22 Fuel gauge .. 23 Fuel warning indicator .. 23 Low battery voltage warning indicator .. 23 Fuel management meter .. 24 Fuel flow meter .. 24 Fuel consumption meter .. 25 Fuel economy .. 25 Twin-engine speed 26 Water separator warning indicator .. 26 Command link multifunction meters .. 26 Tachometer unit .. 27 Speed & fuel meter unit .. 30 Speedometer unit .. 31 Fuel management meter .. 32 Warning system .. 32 Overheat warning (twin engines).. 32 Low oil pressure 33 Operation .. 34 Mounting the outboard Motor .. 34 Breaking in engine .. 35 Procedure for 4-stroke models .. 35 Preoperation checks .. 35 Fuel .. 36 Controls .. 36 Stop switches .. 36 Engine .. 36 Checking the engine oil 36 Filling 36 Ring Free Fuel Additive .. Page 1 Thursday, March 9, 2006 10:20 AMTable of contentsOperating 37 Priming fuel system .. 37 Starting engine.

5 37 Warming up engine .. 39 Electric start models .. 39 Shifting .. 39 Braking .. 40 Stopping engine .. 40 Trimming outboard Motor .. 41 Adjusting trim 41 Adjusting boat 42 Tilting up and down .. 43 Procedure for tilting up (power trim and tilt models / power tilt models).. 43 Procedure for tilting down (power trim and tilt models / power tilt models).. 45 Cruising in shallow water .. 45 Power trim and tilt models / power tilt models .. 45 Cruising in other conditions .. 47 Specifications .. 47 Transporting and storing outboard Motor .. 48 Storing outboard 49 Cleaning and anticorrosion measures .. 49 Battery care .. 49 Flushing power unit .. 50 Cleaning the outboard 51 Checking painted surface of 51 Periodic 51 Replacement parts .. 52 Maintenance 52 Maintenance chart (additional) .. 54 Cleaning and adjusting spark plug .. 54 Checking fuel system .. 56 Changing engine 56 Checking wiring and connectors.

6 59 Exhaust leakage .. 59 Water leakage .. 59 Engine oil leakage .. 59 Checking power trim and tilt 60 Checking propeller .. 61 Removing the propeller .. 62 Installing the Propeller .. 62 Changing gear oil .. 63 Inspecting and replacing anode(s) .. 64 Checking battery (for electric start models) .. 65 Connecting the battery .. 66 Disconnecting the battery .. 67 Checking top cowling .. 67 Coating the boat bottom .. 67 Trouble 68 Troubleshooting .. 68 Temporary action in emergency .. 71 Impact 71 Running single engine .. 71 Replacing 72 Power trim and tilt / power tilt will not operate .. 73 Water separator warning indicator blinks while cruising .. 73 Treatment of submerged Motor .. 75 Procedure .. 75 Consumer information .. 76 Important warranty information for and Canada .. 76 Yamaha Motor CORPORATION, FOUR-STROKE OUTBOARD Motor THREE-YEAR LIMITED WARRANTY .. Page 2 Thursday, March 9, 2006 10:20 AMTable of contentsIMPORTANT WARRANTY INFORMATION IF YOU USE YOUR Yamaha OUTSIDE THE USA OR CANADA.

7 Page 3 Thursday, March 9, 2006 10:20 AMGeneral information1 EMU25170 Identification numbers recordEMU25183 Outboard Motor serial numberThe outboard Motor serial number is stampedon the label attached to the port side of theclamp your outboard Motor serial number inthe spaces provided to assist you in orderingspare parts from your Yamaha dealer or forreference in case your outboard Motor is numberIf a main key switch is equipped with the mo-tor, the key identification number is stampedon your key as shown in the this number in the space provided forreference in case you need a new control informationEMU25230 North American modelsThis engine conforms to EnvironmentalProtection Agency (EPA) regulations for ma-rine SI engines. See the label affixed to yourengine for label of emission control certifi-cateThis label is attached to the bottom Technology; (4-stroke) MFI1. Outboard Motor serial number location1.

8 Key number1. Approval label Page 1 Thursday, March 9, 2006 10:20 AMGeneral information2 EMU25262 Manufactured date labelThis label is attached to the clamp bracket orthe swivel labelsYour outboard Motor is labeled with a Califor-nia Air Resources Board (CARB) star below for a description of your Star Low EmissionThe one-star label identifies engines thatmeet the Air Resources Board s 2001 ex-haust emission standards. Engines meetingthese standards have 75% lower emissionsthan conventional carbureted two-stroke en-gines. These engines are equivalent to EPA s 2006 standards for marine Stars Very Low EmissionThe two-star label identifies engines that meetthe Air Resources Board s 2004 exhaustemission standards. Engines meeting thesestandards have 20% lower emissions thanOne Star-Low-Emission Manufactured date label locationManufactured:ZMU043461. Star labels Page 2 Thursday, March 9, 2006 10:20 AMGeneral information3 EMU25300 Three Stars Ultra Low EmissionThe three-star label identifies engines thatmeet the Air Resources Board s 2008 ex-haust emission standards.

9 Engines meetingthese standards have 65% lower emissionsthan One Star-Low-Emission Safety information Before mounting or operating the outboardmotor, read this entire manual. Reading itshould give you an understanding of themotor and its operation. Before operating the boat, read any own-er s or operator s manuals supplied with itand all labels. Be sure you understand eachitem before operating. Do not overpower the boat with this out-board Motor . Overpowering the boat couldresult in loss of control. The rated power ofthe outboard should be equal to or less thanthe rated horsepower capacity of the the rated horsepower capacity of the boatis unknown, consult the dealer or boat man-ufacturer. Do not modify the outboard. Modificationscould make the Motor unfit or unsafe to use. Incorrect propeller selection and incorrectuse may not only cause engine damage,but also adversely affect fuel your dealer for correct use.

10 Never operate after drinking alcohol or tak-ing drugs. About 50% of all boating fatalitiesinvolve intoxication. Have an approved personal flotation device(PFD) on board for every occupant. It is agood idea to wear a PFD whenever boat-ing. At a minimum, children and non-swim-mers should always wear PFDs, andeveryone should wear PFDs when thereare potentially hazardous boating condi-tions. Gasoline is highly flammable, and its va-pors are flammable and explosive. Handleand store gasoline carefully. Make surethere are no gas fumes or leaking fuel be-fore starting the engine. This product emits exhaust gases whichcontain carbon monoxide, a colorless,odorless gas which may cause brain dam-age or death when inhaled. Symptoms in-clude nausea, dizziness, and cockpit and cabin areas well ventilat-ed. Avoid blocking exhaust outlets. Check throttle, shift, and steering for properoperation before starting the engine.