18WARNING:This chain saw is capable of severe kickback that coult result in serious injury to the user. Do not operate this chainsaw unless you have extraordinary cutting needs and experience and specialized training for dealing with kickback.Chain saws with significantly reduced kickback potential are available.Technical dataStroke volume cu. in (cm 3 ) 2.8 (45.6) 3.1 (50.4)Bore inch (mm) 1.69 (43) 1.77 (45)Stroke inch (mm) 1.24 (31.4) 1.24 (31.7)Max. power at speed 1) hp / rpm 2.9 / 10,000 3.3 / 10,000Max. torque at speed 1) Nm / rpm 2.7 / 7,000 2.9 / 7,000Max. engine speed with bar and chain rpm 13,500 13,500Idling speed rpm 2,500 2,500Coupling speed rpm 3,900 3,900Sound Pressure Level at the operator‘s earat full load according to ANSI B 175.1 db(A) 103.2 103.9Sound Pressure Level at the bystander‘s position(50 ft/15 m distance) according to ANSI B 175.1 db(A) 76.2 76.2Carburetor Type diaphragm carburetor with limiter capsIgnition system Type condenser ignition systemSpark plug Type NGK BPMR 7Aor spark plug Type BOSCH WSR-6FElectrode gap inch (mm) .020 (0.5)Fuel consumption at max. load per ISO 7293 1) kg/h 1.1 1.2Specific consumption at max. load per ISO 7293 1) g/kWh 500 480Fuel tank capacity floz 15.9Chain oil tank capacity floz 9.1Mixture ratio (fuel/two-stroke oil)- when using MAKITA oil 50:1 / 100:1 (HP-100)- when using Aspen Alkalyt (two-stroke fuel) 50:1 (2%)- when using other oils 40:1 (oil quality must be JASO FC or ISO EGD)Chain brake engages manually or in case of kickbackSprocket pitch inch .325 or 3/8Number of teeth Z 7Chain type see the Extract from the spare-parts listPitch / gauge inch .325 / 0.050 or 3/8 / 0.050Guide bar, length of a cut inch 16 / 18Guide-bar type see the Extract from the spare-parts listWeight (fuel tank empty, without chain, guide bar and accessories) lbs 12.1 12.11) For models without decompression valveDCS460 DCS510