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LEHR

 | 

ALL RIGHTS RESERVED 2010-2011

TABLE OF CONTENTS

FOR SERVICE 

Call 1-866-941-LEHR (5347)

5 HP
MODEL: 
LP 5.0S
LP 5.0L

OPERATOR’S MANUAL

PROPANE POWERED 

OUTBOARD MARINE ENGINE

CAUTION:  BEFORE OPERATING THIS PRODUCT, 
READ AND FOLLOW ALL SAFETY  RULES AND 
OPERATING INSTRUCTIONS.

 

LEHR

 | 

ALL RIGHTS RESERVED 2012-2013

THIS PRODUCT CONTAINS CHEMICALS 
KNOWN TO THE STATE OF CALIFORNIA 
TO CAUSE CANCER, BIRTH DEFECTS OR 
OTHER REPRODUCTIVE HARM. 

 

WARNING:

Important Manual Information....................................................1
General Information.........................................................................2
Installation............................................................................................7
Operation..............................................................................................8
Maintenance......................................................................................13
Troubleshooting...............................................................................21
Specifications.....................................................................................24
Warranty..............................................................................................25

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RATING THIS PRO

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Summary of Contents for LP 5.0L

Page 1: ...L SAFETY RULES AND OPERATING INSTRUCTIONS LEHR ALL RIGHTS RESERVED 2012 2013 THIS PRODUCT CONTAINS CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM WARNING Important Manual Information 1 General Information 2 Installation 7 Operation 8 Maintenance 13 Troubleshooting 21 Specifications 24 Warranty 25 B EN BOARD MARINE EN OUTB NGIN RATING THIS PRO PR...

Page 2: ...llowing precautions BEFORE USE 1 Check cylinder and appliance seals Never use with damaged or missing seals Discard cylinder if dirt or rust particles are in valve area 2 Turn engine off 3 Attach cylinder outdoors away from pilot lights flames sparks or other ignition sources These sources can ignite leaking gas 4 Hand tighten only Never use tools to tighten Overtightening can damage seals 5 Check...

Page 3: ...tact your LEHR dealer or call 1 866 941 LEHR 5347 WARNING Warning symbol indicates ATTENTION YOUR SAFETY IS INVOLVED Failure to follow WARNING instructions could result in severe injury or death to the machine operator a bystander or a person inspecting or repairing the outboard motor NOTE A NOTE provides information to make procedures easier or clearer To ensure long product life LEHR recommends ...

Page 4: ...ases which contain carbon monoxide a colorless odorless gas which may cause brain damage or death when inhaled Symptoms include nausea dizziness and drowsiness Keep cockpit and cabin areas well ventilated Avoid blocking exhaust outlets Check throttle shift and steering for proper operation before starting the engine Attach the engine stop switch lanyard cord to a secure place on your clothing or y...

Page 5: ...8 TRIM ROD 9 CLAMP BRACKET 10 THROTTLE FRICTION ADJUSTER 11 THROTTLE LEVER TILLER HANDLE 12 BOTTLE BRACKET CLAMP 13 PULL START HANDLE 14 ENGINE SHUT OFF SWITCH 15 REMOTE PROPANE CONNECTOR 16 CLAMP SCREWS 17 ROPE ATTACHMENT 18 GEAR SHIFT LEVER 19 13 14 15 16 17 9 12 10 1 2 3 12 The outboard motor serial number is stamped on the label attached to the clamp bracket Record your outboard motor serial n...

Page 6: ...r shift positions to provide operation Forward F Neutral N and Reverse R Reduce throttle speed to idle speed Always shift outboard into gear with a quick motion THROTTLE GRIP The throttle grip is on the tiller handle Turn the grip counterclockwise to increase speed and clockwise to decrease speed THROTTLE FRICTION ADJUSTER A friction device provides adjustable resistance to movement of the throttl...

Page 7: ...nctioning Avoid accidentally pulling the lanyard during normal operation Loss of engine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward NOTE The engine cannot be started with the stop switch lock removed ENGINE STOP BUTTON To stop the engine push and hold this button or pull the...

Page 8: ...s all the way up lift up on the lock lever to disengage it while lowering the engine WARNING Do not use the tilt support bar when trailering the boat The outboard motor could shake loose from the tilt support and fall If the motor cannot be trailered in the normal running position use an additional support device to secure it in the tilt position TOP COVER LOCK LEVER To remove the engine top cover...

Page 9: ...iciency the water resistance drag of the boat and outboard motor must be made as little as possible The mounting height of the outboard motor greatly affects the water resistance If the mounting height is too high cavitation tends to occur thus reducing the propulsion and if the propeller tips cut the air the engine speed will rise abnormally and cause the engine to over heat If the mounting heigh...

Page 10: ...is below the lower mark or drain to the specified level if it is above the upper mark Recommended engine oil 4 stroke motor oil with a combination of the following SAE and API oil classifications Engine oil type SAE 10W 30 Engine oil grade API SE S F SG SH SJ SL Engine oil quantity 0 53USqt 0 5L WARNING ALL ENGINES ARE SHIPPED FROM THE FACTORY WITHOUT ENGINE OIL ADD OIL BEFORE STARTING ENGINE FUEL...

Page 11: ...the canister out and remove the propane connector by turning it counterclockwise 3 Remove the empty canister 4 Dispose of empty propane canisters in accordance to Federal State and Local regulations CONNECTING REMOTE PROPANE TANK 1 Make sure the engine is off and the propane tank is closed 2 Connect the remote hose to the remote propane tank Use only a high pressure propane hose Do not use a hose ...

Page 12: ... resistance Then give a strong pull straight out to start the engine Repeat if necessary 5 After the engine starts slowly return the manual starter handle to the original position before releasing it 6 Slowly return the throttle grip to the fully closed position NOTE If the engine fails to start after 4 or 5 tries open the throttle a small amount between 1 8 1 4 throttle and try again Also if the ...

Page 13: ...inside the desired hole To raise the bow trim out move the trim rod away from the transom To lower the bow trim in move the trim rod closer to the transom Test the boat with the trim set to different angles to find the position that works best for your boat and operating conditions NOTE The outboard motor trim angle can be changed approximately 4 degrees by shifting the trim rod one hole When the ...

Page 14: ...13 12 OPERATION PROCEDURE FOR TILTING UP 1 Place the gear shifter lever in neutral and face the outboard motor forward 2 Tighten the steering friction adjuster by turning it clockwise to prevent the motor from turning freely 3 Hold the carrying handle and tilt the engine up fully until the tilt support lever automatically locks PROCEDURE FOR TILTING DOWN 1 Slightly tilt the outboard motor up 2 Slo...

Page 15: ... the outboard motor accidentally falls Do not use the tilt support lever when trailering the boat The outboard motor could shake loose from the tilt support and fall If the motor can not be trailered in the normal running position use an additional support device to secure it in the tilt position The outboard motor should be trailered and stored in the normal running position If there is insuffici...

Page 16: ... after each use before being stored Do not run the engine without supplying it with cooling water Either the engine water pump will be damaged or the engine will be damaged from overheating Before starting the engine be sure to supply water to the cooling water passages 1 Wash the outboard motor body using fresh water 2 Remove the engine top cover 3 Install the outboard motor on a test tank or sub...

Page 17: ...he cooling system with fresh water CHECKING PAINTED SURFACE OF MOTOR 1 Check the motor for scratches nicks or flaking paint Areas with damaged paint are more likely to corrode If necessary clean and paint the areas NOTE Be sure to turn off the engine when you perform maintenance unless otherwise specified If you or the owner are not familiar with machine servicing this work should be done by your ...

Page 18: ... plug ID mark i e NGK Standard spark plug BR6H8 Spark plug Boot INSPECTION CHECKPOINTS Periodically check the fuel system for leaks With the propane tank attached and the engine cover removed inspect the following fuel system parts for leakage Leaks can be identified by smell of propane or carefully listening for a hissing sound of escaping gas Suspected leaks can be verified by applying soapy wat...

Page 19: ... motor is upright not tilted when checking and changing the engine oil If the oil level is above the upper level mark drain until the level meets the specified capacity Overfilling the oil could cause leakage or damage Change the engine oil after the first 10 hours of operation and every 100 hours or at 6 month intervals thereafter Otherwise the engine will wear quickly NOTE Change the engine oil ...

Page 20: ...the spark plug Also place the shift control in neutral and remove the lanyard from the engine stop switch t Check each of the propeller blades for wear erosion from cavitation or other damage Check the propeller shaft for damage Check the splines for wear or damage Check for fish line tangled around the propeller shaft Check the propeller shaft oil seal for damage REMOVING THE PROPELLER 1 Straight...

Page 21: ...eller to prevent the propeller from turning PROPELLER SELECTION Your LEHR outboard engine is supplied with a propeller that matches the needs of a boat most suited to an engine of its size If you feel you are not getting optimal performance from the engine on your boat a different pitch propeller could help The performance of your outboard motor will be affected if you choose a different propeller...

Page 22: ... the used oil after it has been drained If the oil is milky water is getting into the gear case which can cause gear and bearing damage Consult your LEHR dealer for repair of the lower unit seals 5 With the outboard motor in a vertical position and using a flexible or pressurized filling device inject the gear oil into the gear oil drain screw hole 6 When the oil begins to flow out of the oil leve...

Page 23: ...Q Possible faulty internal engine parts A Have serviced by a LEHR dealer ENGINE IDLES IRREGULARLY OR STALLS Q Is propane tank empty A Check tank fluid level by shaking it Q Is spark plug fouled or incorrect type or gap A Inspect spark plug Clean or replace with recommended type Q Is the Idle speed set correctly A Adjust Idle screw or have serviced by LEHR dealer Q Are fuel joints connected correct...

Page 24: ...er damage is found or not return to the nearest harbor slowly and carefully 4 Have the outboard motor inspected before operating it again STARTER WILL NOT OPERATE If the start mechanism does not operate the engine cannot be cranked with the starter the engine can be started with an emergency starter rope WARNING Use this procedure only in an emergency and only to return to the port for repairs Mak...

Page 25: ... necessary PROCEDURE FOR SUBMERGED MOTOR If the outboard motor has been submerged immediately take it to a LEHR dealer Some corrosion may begin almost immediately If you cannot immediately take the outboard to a dealer follow the procedures below in order to minimize engine damage 1 Wash away mud salt seaweed and debris with fresh water 2 Remove the spark plug then face the spark plug hole downwar...

Page 26: ...SOM HEIGHT 15 381 mm S 20 508 mm L MAX OPERATING R P M 4000 4500 R P M IDLE SPEED 2000 R P M IGNITION TYPE ELECTRONIC IGNITION SWITCH TETHER VALVE CLEARANCE IN and EX COLD SPARK PLUG GAP 0 020 0 024 INCH 0 5 0 6 mm LUBRICATION CRANKCASE OIL CAPACITY 0 53 US qt 0 5L FUEL STARTER PULL CHORD AUTO REWIND 003 005 in 0 08 0 12mm PROPANE 4 STROKE 10W 30 SPARK PLUG TORQUE SPEC 18 4 ft lb 25 0 N m GEAR OIL...

Page 27: ... obligation to any purchaser HOW TO OBTAIN SERVICE Warranty service is available with proof of purchase through your local authorized service dealer To locate the dealer in your area visit our website at www golehr com or call 1 866 941 LEHR or write to 8922 Ellis Ave LA CA 90034 CALIFORNIA EMISSIONS EPA CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources B...

Page 28: ...rranted part that is scheduled only for regular inspection in the written instructions required by Subsection d must be warranted for the warranty period defined in Subsection b 2 A statement in such written instructions to the effect of repair or replace as necessary will not reduce the period of warranty coverage Any such part repaired or replaced under warranty must be warranted for the remaini...

Page 29: ...LEHR ALL RIGHTS RESERVED 2012 2013 27 NOTES ...

Page 30: ...0 lower emissions than One Star Low Emission engines Three Stars Ultra Low Emission The three star label identifies engines that meet the Air Resources Board s Personal Watercraft and Outboard marine engine 2008 exhaust emission standards or the Sterndrive and Inboard marine engine 2003 exhaust emission standards Engines meeting these standards have 65 lower emissions than One Star Low Emission en...

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