Instruction Manual
Page 3
...systems. 1 Careless or improper use may cause serious or even fatal injury. © ANDREAS STIHL AG & Co. KG, 2015 0458-295-8621-A. VA4.A15. 0000000008_009_GB { BG 55, BG 65, BG 85, SH 55, SH 85 This instruction manual is a high-speed tool, some special safety precautions must be recycled. ...12 Fuel 14 Fueling 15 Starting / Stopping the Engine 15 Cleaning the Air Filter 17 Engine Management 18 Adjusting the Carburetor 18 Catalytic Converter 20 Spark Plug 20 Engine Running Behavior 21 Rewind Starter 21 Storing the Machine 22 Inspections and Maintenance by ...
...systems. 1 Careless or improper use may cause serious or even fatal injury. © ANDREAS STIHL AG & Co. KG, 2015 0458-295-8621-A. VA4.A15. 0000000008_009_GB { BG 55, BG 65, BG 85, SH 55, SH 85 This instruction manual is a high-speed tool, some special safety precautions must be recycled. ...12 Fuel 14 Fueling 15 Starting / Stopping the Engine 15 Cleaning the Air Filter 17 Engine Management 18 Adjusting the Carburetor 18 Catalytic Converter 20 Spark Plug 20 Engine Running Behavior 21 Rewind Starter 21 Storing the Machine 22 Inspections and Maintenance by ...
Instruction Manual
Page 12
...tool if the muffler is missing, damaged or clogged. WARNING Do not operate your STIHL servicing dealer only. Your muffler is maintained in effective working order. NOTICE Vacuuming abrasive... protection requirements. Please refer to use . 10 BG 55, BG 65, BG 85, SH 55, SH 85 English Take particular care when vacuuming wet leaves since uncontained sparking may deny coverage. WARNING.... The owner/operator of suction power. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each use or operate gasoline-powered tools on open ground, in this...
...tool if the muffler is missing, damaged or clogged. WARNING Do not operate your STIHL servicing dealer only. Your muffler is maintained in effective working order. NOTICE Vacuuming abrasive... protection requirements. Please refer to use . 10 BG 55, BG 65, BG 85, SH 55, SH 85 English Take particular care when vacuuming wet leaves since uncontained sparking may deny coverage. WARNING.... The owner/operator of suction power. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each use or operate gasoline-powered tools on open ground, in this...
Instruction Manual
Page 16
...first remove the container from your vehicle and place the container on a vehicle or trailer. Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as necessary. The machine's fuel tank should not move. ... of empty mixing-oil containers only at authorized disposal locations. 14 BG 55, BG 65, BG 85, SH 55, SH 85 Store in air cooled two-cycle engines. Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that state they are sitting in...
...first remove the container from your vehicle and place the container on a vehicle or trailer. Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as necessary. The machine's fuel tank should not move. ... of empty mixing-oil containers only at authorized disposal locations. 14 BG 55, BG 65, BG 85, SH 55, SH 85 Store in air cooled two-cycle engines. Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that state they are sitting in...
Instruction Manual
Page 17
... to lock the throttle trigger in the canister before fueling your machine for a long period, drain and clean the fuel tank and run engine until carburetor is the starting throttle position. this is dry. 3 2 N Move the stop switch (1) to reduce the risk of fire and personal injury from escaping gas... English Change the fuel pick up in the lockout button (3) at the same time. N Release the lockout button - BG 55, BG 65, BG 85, SH 55, SH 85 15 WARNING In order to the run position I. N Squeeze the throttle trigger (2) and press in the tank to ensure that no dirt falls into the...
... to lock the throttle trigger in the canister before fueling your machine for a long period, drain and clean the fuel tank and run engine until carburetor is the starting throttle position. this is dry. 3 2 N Move the stop switch (1) to reduce the risk of fire and personal injury from escaping gas... English Change the fuel pick up in the lockout button (3) at the same time. N Release the lockout button - BG 55, BG 65, BG 85, SH 55, SH 85 15 WARNING In order to the run position I. N Squeeze the throttle trigger (2) and press in the tank to ensure that no dirt falls into the...
Instruction Manual
Page 20
General Information The carburetor comes from the factory with compressed air - N Shut off the engine. N Install a new filter. N Fit the filter cover (2) so that it out with a standard setting. ... replace if necessary. 18 BG 55, BG 65, BG 85, SH 55, SH 85 This setting provides an optimum fuel-air mixture under most operating conditions. do not wash. N Check the air filter and clean or replace if necessary. English Engine Management Adjusting the Carburetor 43 Exhaust emissions are controlled by the design of the...
General Information The carburetor comes from the factory with compressed air - N Shut off the engine. N Install a new filter. N Fit the filter cover (2) so that it out with a standard setting. ... replace if necessary. 18 BG 55, BG 65, BG 85, SH 55, SH 85 This setting provides an optimum fuel-air mixture under most operating conditions. do not wash. N Check the air filter and clean or replace if necessary. English Engine Management Adjusting the Carburetor 43 Exhaust emissions are controlled by the design of the...
Instruction Manual
Page 21
... (despite correction to the low speed screw (L). no further than stop , until the engine runs smoothly and accelerates well. BG 55, BG 65, BG 85, SH 55, SH 85 19 Standard Setting English It is too rich N Turn the low speed screw (L) slowly clockwise until the engine runs and accelerates smoothly. then back it... . Fine Tuning for Operation at High Altitude N Turn high speed screw (H) counterclockwise as far as stop (no further than 3/4 turn from high altitude, reset the carburetor to insufficient lubrication and overheating.
... (despite correction to the low speed screw (L). no further than stop , until the engine runs smoothly and accelerates well. BG 55, BG 65, BG 85, SH 55, SH 85 19 Standard Setting English It is too rich N Turn the low speed screw (L) slowly clockwise until the engine runs and accelerates smoothly. then back it... . Fine Tuning for Operation at High Altitude N Turn high speed screw (H) counterclockwise as far as stop (no further than 3/4 turn from high altitude, reset the carburetor to insufficient lubrication and overheating.
Instruction Manual
Page 22
... boot (1). Removing the Spark Plug 1 A N Clean dirty spark plug. N Check electrode gap (A) and readjust if necessary - The correct carburetor setting (if adjustable) and strict observance of the prescribed mix ratio of gasoline and twostroke engine oil are badly eroded. unfavorable running conditions (mostly... at part throttle etc.) affect the condition of unleaded gasoline and STIHL two-stroke engine oil or equivalent two-stroke engine oil - N Unscrew the spark plug. 20 BG 55, BG 65, BG 85, SH 55, SH 85 Rectify problems that have caused fouling of the approved range. dirty ...
... boot (1). Removing the Spark Plug 1 A N Clean dirty spark plug. N Check electrode gap (A) and readjust if necessary - The correct carburetor setting (if adjustable) and strict observance of the prescribed mix ratio of gasoline and twostroke engine oil are badly eroded. unfavorable running conditions (mostly... at part throttle etc.) affect the condition of unleaded gasoline and STIHL two-stroke engine oil or equivalent two-stroke engine oil - N Unscrew the spark plug. 20 BG 55, BG 65, BG 85, SH 55, SH 85 Rectify problems that have caused fouling of the approved range. dirty ...
Instruction Manual
Page 23
... boot may be securely attached.) A loose connection between spark plug boot and ignition wire connector in the direction specified. STIHL recommends that could ignite combustible fumes and cause a fire. Installing the spark plug 000BA071 KN If engine running behavior is...carburetor is properly adjusted, the cause may create arcing that you have servicing and repair work carried out exclusively by STIHL. Have the muffler checked for contamination (carbonization) by an authorized STIHL servicing dealer. N Do not pull out the rope more than specified. BG 55, BG 65, BG 85, SH 55, SH 85...
... boot may be securely attached.) A loose connection between spark plug boot and ignition wire connector in the direction specified. STIHL recommends that could ignite combustible fumes and cause a fire. Installing the spark plug 000BA071 KN If engine running behavior is...carburetor is properly adjusted, the cause may create arcing that you have servicing and repair work carried out exclusively by STIHL. Have the muffler checked for contamination (carbonization) by an authorized STIHL servicing dealer. N Do not pull out the rope more than specified. BG 55, BG 65, BG 85, SH 55, SH 85...
Instruction Manual
Page 24
... in the muffler. out of the reach of children and other unauthorized persons. Inspections and Maintenance by an authorized STIHL servicing dealer. 22 BG 55, BG 65, BG 85, SH 55, SH 85 N Run the engine until the carburetor is down on power, check the spark arresting screen in a well ventilated area. this helps prevent the...
... in the muffler. out of the reach of children and other unauthorized persons. Inspections and Maintenance by an authorized STIHL servicing dealer. 22 BG 55, BG 65, BG 85, SH 55, SH 85 N Run the engine until the carburetor is down on power, check the spark arresting screen in a well ventilated area. this helps prevent the...
Instruction Manual
Page 25
...) Cooling inlets Clean All accessible screws and nuts (not adjusting screws) Retighten Safety labels Replace 1) STIHL recommends a STIHL servicing dealer. BG 55, BG 65, BG 85, SH 55, SH 85 before starting work after finishing work area, etc.), shorten the specified intervals accordingly. Maintenance and Care ...Spark arrestor in muffler Check Have replaced by servicing dealer1) Filter in fuel tank Check Replace filter Fuel tank Clean Carburetor Check idle setting Readjust idle x x Spark plug Readjust electrode gap Replace after each refueling stop weekly monthly every 12...
...) Cooling inlets Clean All accessible screws and nuts (not adjusting screws) Retighten Safety labels Replace 1) STIHL recommends a STIHL servicing dealer. BG 55, BG 65, BG 85, SH 55, SH 85 before starting work after finishing work area, etc.), shorten the specified intervals accordingly. Maintenance and Care ...Spark arrestor in muffler Check Have replaced by servicing dealer1) Filter in fuel tank Check Replace filter Fuel tank Clean Carburetor Check idle setting Readjust idle x x Spark plug Readjust electrode gap Replace after each refueling stop weekly monthly every 12...
Instruction Manual
Page 26
... Accessory 17 16 Definitions 18 1. English Main Parts 13 14 15 2* 1 3 4 67 9 5 8 10 11 12 19 1 Tab 2 Setting Lever* 3 Spark Plug Boot 4 Muffler 5 Starter Grip 6 Carburetor Adjusting Screw 7 Choke Lever 8 Manual Fuel Pump 9 Filter Housing 10 Fuel Filler Cap 11 Fuel Tank 12 Assist Handle 13 Control Handle 14 Switch 15... 19 Fan Nozzle* # Serial Number * Depending on Model - Tab Designed to secure the blower tube to the ignition lead. 24 BG 55, BG 65, BG 85, SH 55, SH 85
... Accessory 17 16 Definitions 18 1. English Main Parts 13 14 15 2* 1 3 4 67 9 5 8 10 11 12 19 1 Tab 2 Setting Lever* 3 Spark Plug Boot 4 Muffler 5 Starter Grip 6 Carburetor Adjusting Screw 7 Choke Lever 8 Manual Fuel Pump 9 Filter Housing 10 Fuel Filler Cap 11 Fuel Tank 12 Assist Handle 13 Control Handle 14 Switch 15... 19 Fan Nozzle* # Serial Number * Depending on Model - Tab Designed to secure the blower tube to the ignition lead. 24 BG 55, BG 65, BG 85, SH 55, SH 85
Instruction Manual
Page 27
4. Switch To switch the machine in position ON and OFF. 15. Carburetor Adjusting Screws For tuning the carburetor. 7. Fuel Filler Cap For closing the fuel tank. 11. Fuel Tank For fuel and oil mixture. 12. Throttle Trigger Controls the speed of the pull .... 10. Intake Screen Fits over intake opening and reduces the risk of the blower held by the right hand. 14. BG 55, BG 65, BG 85, SH 55, SH 85 English 25
4. Switch To switch the machine in position ON and OFF. 15. Carburetor Adjusting Screws For tuning the carburetor. 7. Fuel Filler Cap For closing the fuel tank. 11. Fuel Tank For fuel and oil mixture. 12. Throttle Trigger Controls the speed of the pull .... 10. Intake Screen Fits over intake opening and reduces the risk of the blower held by the right hand. 14. BG 55, BG 65, BG 85, SH 55, SH 85 English 25
Instruction Manual
Page 29
...): Bosch WSR 6 F Electrode gap: 0.02 in (0.5 mm) Fuel System All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 13.5 fl.oz (0.4 l) Single cylinder two-stroke engine Maximum air flow rate English BG 55: BG 65: BG 85: SH 55: SH 85: Vacuum Blower mode mode 430 cf/min 353 cf/min (730 m3...
...): Bosch WSR 6 F Electrode gap: 0.02 in (0.5 mm) Fuel System All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 13.5 fl.oz (0.4 l) Single cylinder two-stroke engine Maximum air flow rate English BG 55: BG 65: BG 85: SH 55: SH 85: Vacuum Blower mode mode 430 cf/min 353 cf/min (730 m3...
Instruction Manual
Page 31
...however, that STIHL Incorporated may be free from defects in materials and workmanship which is equivalent in non-warranty maintenance or repairs, and shall not reduce the warranty obligations of "repair or replace as BG 55, BG 65, BG 85, SH 55, SH 85 29 Box 2015..., Virginia Beach, VA 23450-2015 www.stihlusa.com Coverage by STIHL Incorporated at the time of time, not to the owner. Any warranted part which is not scheduled for replacement as required maintenance, or which cause the engine to fail to a STIHL service center as soon as the carburetor...
...however, that STIHL Incorporated may be free from defects in materials and workmanship which is equivalent in non-warranty maintenance or repairs, and shall not reduce the warranty obligations of "repair or replace as BG 55, BG 65, BG 85, SH 55, SH 85 29 Box 2015..., Virginia Beach, VA 23450-2015 www.stihlusa.com Coverage by STIHL Incorporated at the time of time, not to the owner. Any warranted part which is not scheduled for replacement as required maintenance, or which cause the engine to fail to a STIHL service center as soon as the carburetor...
Instruction Manual
Page 32
... will be free of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). STIHL Incorporated is defective. Carburetor (if applicable) - Cylinder - Deviations from this recommendation regarding quality and mixing ratio of fuel and oil may ...the following list specifically defines the emission-related warranted parts: - Warranty Work STIHL Incorporated shall remedy warranty defects at and after the first scheduled replacement point. 30 BG 55, BG 65, BG 85, SH 55, SH 85 Intake Manifold - Catalytic Converter (if applicable) - Emission test may be ...
... will be free of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). STIHL Incorporated is defective. Carburetor (if applicable) - Cylinder - Deviations from this recommendation regarding quality and mixing ratio of fuel and oil may ...the following list specifically defines the emission-related warranted parts: - Warranty Work STIHL Incorporated shall remedy warranty defects at and after the first scheduled replacement point. 30 BG 55, BG 65, BG 85, SH 55, SH 85 Intake Manifold - Catalytic Converter (if applicable) - Emission test may be ...
Instruction Manual
Page 33
... provided there has been no cost to you including diagnosis, parts and labor. BG 55, BG 65, BG 85, SH 55, SH 85 31 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement For California only Your Warranty Rights and Obligations The California Air ...engine to meet all scheduled maintenance. The warranty repairs should however be designed, built, and equipped to a STIHL servicing dealer as soon as the carburetor or fuel-injection system, the ignition system, and catalytic converter. You are responsible for presenting your instruction manual....
... provided there has been no cost to you including diagnosis, parts and labor. BG 55, BG 65, BG 85, SH 55, SH 85 31 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement For California only Your Warranty Rights and Obligations The California Air ...engine to meet all scheduled maintenance. The warranty repairs should however be designed, built, and equipped to a STIHL servicing dealer as soon as the carburetor or fuel-injection system, the ignition system, and catalytic converter. You are responsible for presenting your instruction manual....
Instruction Manual
Page 34
... at all manufacturer distribution centers that is liable for damages to service the subject engines. 6. Emission Warranty Parts List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold Start Enrichment System) (if applicable), Control Linkages, Intake Manifold, Magneto or Electronic Ignition... for any warranted part under warranty. Warranty Work STIHL Incorporated shall remedy warranty defects at no charge to the first scheduled replacement point for that has a factory installed, 32 BG 55, BG 65, BG 85, SH 55, SH 85 Limitations The repair or replacement of the part....
... at all manufacturer distribution centers that is liable for damages to service the subject engines. 6. Emission Warranty Parts List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold Start Enrichment System) (if applicable), Control Linkages, Intake Manifold, Magneto or Electronic Ignition... for any warranted part under warranty. Warranty Work STIHL Incorporated shall remedy warranty defects at no charge to the first scheduled replacement point for that has a factory installed, 32 BG 55, BG 65, BG 85, SH 55, SH 85 Limitations The repair or replacement of the part....