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The engine will not shut down:
Turn off the fuel – and let the engine stop by running out of fuel.

The ignition switch is not earthed:
Test the circuit or take to your service agent

The engine stops suddenly:
Check to see if the fuel tank is empty.

Check the fuel is flowing, if not, clean the fuel filter.

Ensure the breather hole in the fuel cap is not clogged.
Check that water, dirt or gum hasn’t contaminated the fuel. 

(In certain conditions condensation can occur inside the fuel tank causing  droplets of 
water that can accumulate at the bottom of the Fuel Tank.)

Check the spark plug lead is undamaged and in place on the plug. 
Check the spark plug isn’t oiled or carboned up, check spark by removing 
the plug from the engine, reattach the lead and, while resting the spark 
plug thread against the engine body, turn over the engine by pulling on 
the starter cord. If a spark isn’t seen, try a new plug. If this fails see your 
service agent. 

(NOTE:  DO NOT hold the plug in the hand as the high voltage will cause a painful electrical shock.) 

The engine is hard to start:
Weak spark, faulty Spark plug or Spark plug lead Choke has not been set 
correctly – must be closed on initial start-up.
Using old fuel that has been stored too long, or poor quality fuel. 
Blade impact on a solid object may have bent the crank shaft or snapped 
the Woodruff Key.

TROUBLESHOOTING  

Possible causes and solutions for difficult starting and poor running...

If  running  difficulties  continue,  call  MASPORT  for  the  details  of 

your closest MASPORT AUTHORISED SERVICE CENTRE on:

New Zealand - 0800 MASPORT 

Australia - 1300 366 255

Summary of Contents for 2 Stroke

Page 1: ...READ RELEVANT INSTRUCTIONS FOR EACH TYPE OF MACHINE Read these instructions completely before attempting to use this Engine If unclear or uncertain please discuss with your Retailer or a trained Mechanic or contact Masport www masport com 579301 ENGINE OWNERS MANUAL ...

Page 2: ...tank Incorrect Fuel mix can damage the engine Too much oil will cause excessive smoking Too little will cause the moving parts to wear rapidly cause the engine to seize and may be irreparable Modern fuels are unleaded will not harm the engine Use low octane Fuel Petrol must be stored in a fuel safe container Modern fuels may fail if stored for longer than 4 to 6 months ForallMASPORTpartsandservice...

Page 3: ...topped motor has cooled the engine operates at temperatures that can cause serious burns Do NOT touch the ignition system or Spark Plug while the machine is operating The ignition system generates a high voltage charge that can cause a painful shock Do NOT smoke or permit naked fames anywhere near the engine or near fuel containers Resulting explosion can cause Death NEVER mix or store petrol oil ...

Page 4: ...e is heated enough adjust the throttle handle to the required speed NOTE High revs at start up will damage the engine as lubrication is less effective in a cold engine This motor will run at moderate to full speed without problems providing the factory approved settings have not been altered NEVER run engine indoors or in enclosed poorly ventilated areas Engine exhaust contains carbon monoxide an ...

Page 5: ...gine speed to the lowest setting for 3 5 minutes 2 Stop the engine with either the throttle control or by turning off the fuel Note do not wash the engine down while it is still hot this can cause damage to the block and seals ...

Page 6: ...rt or run the engine if the fuel tank has been over filled or spillage has occurred Ensure excess fuel is completely removed areas cleaned and washed before attempting to start or run the engine NEVER fill the tank indoors NEVER fill fuel tank when engine is running or hot DO NOT smoke when filling fuel tank NEVER fill fuel tank completely Fill tank to 1 2 below bottom of filler neck to provide sp...

Page 7: ...queeze filter to spread oil before re fitting ensure petrol has evaporated before re fitting Clean the fuel strainer Check after running 50 hours will likely require Mechanic to undertake Check the cylinder head nuts for tightness Tighten to 8 10N m Clean the accumulated carbon off both the head and exhaust port see below Clean the spark plug and adjust the clearance to 0 6mm Clean the muffler of ...

Page 8: ...VICE OUTLET ENGINE SPEED NEVER TAMPER WITH ENGINE GOVERNOR WHICH IS FACTORY SET FOR PROPER ENGINE SPEED OVERSPEEDING ENGINE ABOVE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS CHANGING OF ENGINE GOVERNED SPEED WILL VOID ENGINE WARRANTY STORAGE If the engine is to be stored for any extended period over 30 days Remove all fuel from the tank Close the choke fully on the carburettor Remove the spark plu...

Page 9: ...emoving the plug from the engine reattach the lead and while resting the spark plug thread against the engine body turn over the engine by pulling on the starter cord If a spark isn t seen try a new plug If this fails see your service agent NOTE DO NOT hold the plug in the hand as the high voltage will cause a painful electrical shock The engine is hard to start Weak spark faulty Spark plug or Spa...

Page 10: ...A B C D E G H I J F K L M N O P Q ...

Page 11: ...0 MASPORT Australia 1300 366 255 ENGINE COMPONENT LIST A STARTER ASSEMBLY B PETROL TANK CAP C PETROL TANK TAP D PETROL TANK E CRANKCASE BOTTOM F CRANKSHAFT G FLYWHEEL H RATCHET STARTER I CARBURETTOR J PISTON RING ASSEMBLY K MOUNTING PLATE L MUFFLER M CYLINDER HEAD N SPARKPLUG L7RTC O COMPLETE COIL P FILTER X 2 Q GASKET SET ...

Page 12: ...ective in material or workmanship Labour costs involved in the repair or replacement are also covered The decision to repair or replace defective components will be made by Masport or it s agent and actioned by an ap proved Masport Specialist retailer Except as expressly provided in the Consumers Gaurantees Act 1993 Australian Trade Practices Act 1974 or protection by the laws of place state or co...

Page 13: ...ition to the rights the purchaser had under this warranty and nothing in this warranty is intended to limit or affect the purchasers rights and remedies under these Acts or any consumer legislation of the place state or country of purchase Masport only warrants that facilities for the repair of the product and spare parts for the product will be available for the period of the warranty and no long...

Page 14: ... masport com MASPORT LIMITED P O Box 14 349 Panmure Auckland New Zealand FREEPHONE 0800 MASPORT FREEFAX 0508 570 570 P O Box 533 Braeside Victoria3 195 Außtralia FREEPHONE 1300 366 225 FREEFAX 1800 035 594 ...

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