Engine

LCT 254cc snow engine: oil, spark plug and air filter

Last checked September 30, 2026

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Engine oil	`SAE 5W-30`	Search Amazon for SAE 5W-30 oil
Spark plug	Torch `F6RTC`Gap 0.027-0.030 in	Search Amazon for F6RTC
Displacement	254 cc
Fuel	Unleaded regular gasoline

Machines with this engine

Husqvarna ST 324P (Husqvarna 961930091)

Sources

Operator's Manual ST 227 P (text copy), product specifications, maintenance, shear bolts, Husqvarna, form 115 73 41-27, Rev. 7
Operator's manual ST 224, ST 227P, ST 230P (multilingual), Technical data page 25, Husqvarna, document code 673-003-08.01.2020
Operator's Manual ST 227P (dated 08/21/2014 on its last page): page 3 product specifications and plate location, page 4 parts packed separately, Husqvarna, form 115 68 34-27, Rev. 3
Husqvarna ST 227 P (961930097-05, 2018-04) ENGINE diagram: CARBURETTOR LCT 254 W/IDLEDOWN, CAMSHAFT.MCR.W/GASKET.254CC, PISTON.&.ROD ASSEM.254CC, CYLINDER.HEAD.ASM.W/GASKET.254, FUEL.TANK.SNOW.2.7L.BLACK.254C, Husqvarna (dealer-hosted IPL, PartsTree)
LCT Snow Engine 136cc / 179cc / 208cc / 254cc / 291cc / 414cc Series Operation Manual (page footer: Ariens GEN II snow engine manual, rev. 01/09/13): p14 oil recommendation and capacities, p15 spark plug, Liquid Combustion Technology, form PGM45008, page footer rev. 01/09/13
LCT Engine Service Manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc (printed pages 4-5 general specifications, 10 spark plug service, 11 oil capacities), Liquid Combustion Technology, form PGM45015, copyright 2018 footer