QV-670 Technical Specifications: - Mass with bar & chain, full fuel & oil: 8.7 kg (19.2 lb) - Powerhead only, dry: 7.2 kg (15.9 lb) - Engine: IR-cooled, 2-stroke, single cylinder - Displacement: 66.7 mL (4.07 cu in) - Bore x stroke: 50 mm x 34 mm (1.97 x 1.34 in) - Compression ratio: 7.6:1 - Max speed: 13,500 rpm (no-load) - Carburetor: diaphragm - Starter: recoil - Ignition: CDI with SAIS - Spark plug: Champion CJ-6Y, gap 0.6-0.7 mm - Fuel mix: 50:1 gasoline (<89 octane) + oil - Fuel tank: 0.64 L (21.64 oz) - Oil tank: 0.37 L (12.5 oz) - Guide bar: 305 mm (12 in) - Chain: Papco Firebrand 400-s, 9.53 mm pitch, 7-teeth - Speed: 9,500 rpm → 21.1 m/s (4,150 f/m) - Features: skid/stand, large starter handle, chain brake, anti-vibration, throttle safety catch, handles, chain catcher
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