The efco mth 5100 is a 45cm 18 petrol chainsaw built for everyday use. The powerful 50.9cc, 3.0hp engine has an easy on ignition system for simple start ups. The chainsaw benefits from a premium oregon bar and microlite chain, walbro carburettor and anti vibration system.efco mth 5100 featuresemak 59.9cc 3hp engine with lower emissions, noise and fuel consumptioneasy on ignition system ensures problem free starting with no kick back45cm 18 quality oregon bar and microlite chainanti vibration system with soft touch griptool free maintenanceautomatic oiling system and lateral chain tensioninghand guard and anti kickback protection the mth5100 has a multi function switch which incorporates the ignition switch, choke and throttle lock in one, this combined with the chainsaw’s automatic oiling system, side chain tensioning and tool free maintenance also add the user friendly features.specificationengine emak petrol 2 strokeengine spec 50.9cc, 3.0hp, 2.2kwignition system easy on recoil systemfuel tank capacity 0.5 litrecarburettor walbrobar 45cm 18 oregonchain 0.325 microlitechain gauge .058 anti vibration system includes 1 springs 5 rubber mountslateral chain tensioningautomatic oiling systemtool free maintenancevibration level m s² l 5.2 r 4.8sound noise level dba 110 113net weight excl bar chain 5.1kgwarranty 3 year domestic subject to tc’s, 1 year commercial