Troubleshooting; Technical Data - Nakayama GS8600 User Manual

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Troubleshooting

Problem Description
The engine won't start.
The engine lacks power or is not
running smoothly.
Too much smoke
Machine does not seem to have
full chipping power.

Technical Data

Model:
Engine Type:
Power:
Max. Cutting Diameter:
Starting System Type:
* The manufacturer reserves the right to make minor changes to product design and technical specifications without prior notice unless these changes signif-
icantly affect the performance and safety of the products. The parts described / illustrated in the pages of the manual that you hold in your hands may also
concern other models of the manufacturer's product line with similar features and may not be included in the product you just acquired.
* Please note that our equipment has not been designed for use in commercial, trade or industrial applications. Our warranty will be voided if the machine is
used in commercial, trade or industrial businesses or for equivalent purposes.
* To ensure the safety and reliability of the product and the warranty validity, all repair, inspection, repair or replacement work, including maintenance and
special adjustments, must only be carried out by technicians of the authorized service department of the manufacturer.
7
Possible Cause
Is the ignition switch in the "ON" position?
Is the fuel shut-off valve on?
Are you using fresh, clean gas? If the gas is old, change it. Use
keep gas longer than 30 days.
Is the spark plug clean? If the spark plug is dirty or cracked, change it. If it's oily,
leave it out, hold a rag over the plug hole and pull the recoil cord several times to
blow out any oil in the cylinder, then wipe off the plug and reinsert it.
Check that the Throttle Lever is in the "Run" position.
Is the air filter clean? If it's dirty, change it. Is the spark plug clean? If it's fouled or
cracked, change it. If it's oily, leave it out, hold a rag over the plug hole and pull your
recoil cord several times to blow out any oil in the cylinder, then wipe off the plug
and reinsert it.
Are you using fresh, clean unleaded gas? If it's old, change it. Use a fuel stabilizer if
you keep gas longer than 30 days.
Does your engine have the right amount of clean oil? If it's dirty, change it following
the procedure in the engine manufacturer's owner's manual.
Check the oil level and adjust as needed.
Check the oil level and adjust as needed.
Check the air filter and clean or replace if needed.
You may be using the wrong oil—too light for the temperature. Refer to your Engine
Owner's Manual for detailed information.
Clean the cooling fins if they're dirty.
The belts may be too loose and slipping. Adjust or replace belts as need.
GS8600
OHV 4 Stroke
6.5Hp
80mm
Recoil starter
WWW.NAKAYAMATOOLS.COM
GS9600
OHV 4 Stroke
15Hp
120mm
Recoil starter
a fuel stabilizer if you