{"apiVersion":"2026-10-08","platform":{"slug":"harley-davidson-fat-boy-m8-2022","make":"Harley-Davidson","model":"Fat Boy / Softail M8 (107 / 114 / 117ci)","featuredYear":2022,"yearStart":2018,"yearEnd":2026,"generation":"Milwaukee-Eight Monoshock Softail Platform","engineCode":"Milwaukee-Eight 107/114/117ci (1746 - 1923cc) 8-Valve V-Twin","canonicalUrl":"https://wowshopper.com/bundles/harley-davidson-fat-boy-m8-2022"},"workshopSpecifications":{"engine":{"code":"Milwaukee-Eight 107/114/117ci (1746 - 1923cc) 8-Valve V-Twin","oilViscosity":"20W-50 Full Synthetic V-Twin Engine Oil","oilCapacityWithFilter":"4.5 Qt (4.26 L) 20W-50 V-Twin Synthetic","drainPlugTorque":"Engine/Trans/Primary: 20 Nm (14.7 ft-lb)"},"ignition":{"sparkPlugOem":"NGK DCPR7E (#3932 Dual-Spark 4 Plugs Required)","sparkPlugGap":"0.8 - 0.9 mm (0.031 - 0.035 in)","sparkPlugTorque":"19 Nm (14.0 ft-lb)"},"chassisAndDrivetrain":{"driveChainPitch":"Direct Carbon Belt Drive (133 Tooth)","brakeFluidSpec":"DOT 4 High-Boiling Synthetic Fluid","coldTirePressurePsi":"36 PSI Front / 42 PSI Rear"}},"faqs":[{"question":"What is the engine oil capacity and viscosity for the 2022 Harley-Davidson Fat Boy / Softail M8 (107 / 114 / 117ci)?","answer":"The 2022 Harley-Davidson Fat Boy / Softail M8 (107 / 114 / 117ci) requires 20W-50 Full Synthetic V-Twin Engine Oil engine oil (JASO MA2). Factory sump capacity is 4.5 Qt (4.26 L) 20W-50 V-Twin Synthetic when replacing the oil filter."},{"question":"What is the oil drain plug torque for the 2022 Harley-Davidson Fat Boy / Softail M8 (107 / 114 / 117ci)?","answer":"Factory workshop manual specifies Engine/Trans/Primary: 20 Nm (14.7 ft-lb) with a fresh crush washer."},{"question":"What spark plugs and gap does the 2022 Harley-Davidson Fat Boy / Softail M8 (107 / 114 / 117ci) use?","answer":"Factory OEM spark plug is NGK DCPR7E (#3932 Dual-Spark 4 Plugs Required) with a gap of 0.8 - 0.9 mm (0.031 - 0.035 in) (Torque: 19 Nm (14.0 ft-lb))."},{"question":"What brake fluid is required for the 2022 Harley-Davidson Fat Boy / Softail M8 (107 / 114 / 117ci)?","answer":"Factory hydraulic brake system specifies DOT 4 High-Boiling Synthetic Fluid fluid from a sealed container."}],"bundles":[{"id":"fatboy-m8-3hole-overhaul","description":"Silkolene 20W-50 V-Twin engine oil, Bel-Ray dedicated primary chaincase fluid, Bel-Ray Big Twin transmission gear oil, and HiFloFiltro chrome filter.","subtotalCents":9852,"subtotalUsd":"98.52","itemCount":4,"allInStock":true,"items":[{"id":"silkolene-20w50-fatboy","sku":"89-0195","handle":"silkolene-comp-4-engine-oil","mpn":"65136000054","dpn":"89-0195","title":"Silkolene Comp 4 4T Synthetic V-Twin Engine Oil 20W-50 (1 Quart)","quantity":5,"specNote":null,"priceCents":1195,"priceUsd":"11.95","msrpCents":1195,"msrpUsd":"11.95","inStock":true,"inventoryQuantity":100,"thumbnailUrl":"https://cdn.wpsstatic.com/images/7012-572a920df38c5.jpg"},{"id":"belray-primary-fatboy","sku":"840-1479","handle":"bel-ray-primary-lubricant","mpn":"96920-BT1","dpn":"840-1479","title":"Bel-Ray Primary Chaincase Dedicated Lubricant (32 oz)","quantity":1,"specNote":null,"priceCents":1599,"priceUsd":"15.99","msrpCents":1599,"msrpUsd":"15.99","inStock":true,"inventoryQuantity":100,"thumbnailUrl":"https://cdn.wpsstatic.com/images/e45c-5db0c0f86235f.jpg"},{"id":"belray-transmission-fatboy","sku":"840-1483","handle":"bel-ray-transmission-oil","mpn":"96900-BT1","dpn":"840-1483","title":"Bel-Ray Big Twin Transmission Dedicated Gear Oil (32 oz)","quantity":1,"specNote":null,"priceCents":1699,"priceUsd":"16.99","msrpCents":1699,"msrpUsd":"16.99","inStock":true,"inventoryQuantity":100,"thumbnailUrl":"https://cdn.wpsstatic.com/images/e544-5db0c0f86239e.jpg"},{"id":"hiflo-hf171c-filter-fatboy","sku":"10HF171C","handle":"hiflofiltro-oil-filter","mpn":"HF171C","dpn":"550-0171C","title":"HIFLOFILTRO Oil Filter - Black","quantity":1,"specNote":null,"priceCents":579,"priceUsd":"5.79","msrpCents":603,"msrpUsd":"6.03","inStock":true,"inventoryQuantity":1,"thumbnailUrl":"https://cdn.wpsstatic.com/images/6262-59ed9b3567b8a.jpg"}],"cartPayload":{"endpoint":"POST /api/cart","items":[{"sku":"89-0195","quantity":5,"handle":"silkolene-comp-4-engine-oil"},{"sku":"840-1479","quantity":1,"handle":"bel-ray-primary-lubricant"},{"sku":"840-1483","quantity":1,"handle":"bel-ray-transmission-oil"},{"sku":"10HF171C","quantity":1,"handle":"hiflofiltro-oil-filter"}]}},{"id":"fatboy-m8-ignition-pack","description":"NGK DCPR7E 4-pack spark plugs (dual plugs per cylinder) and dual bottles of EBC DOT 4 racing brake fluid.","subtotalCents":4770,"subtotalUsd":"47.70","itemCount":2,"allInStock":true,"items":[{"id":"ngk-dcpr7e-plugs-fatboy","sku":"2-DCPR7E","handle":"ngk-spark-plug","mpn":"DCPR7E","dpn":"43-0782","title":"NGK Spark Plug","quantity":4,"specNote":null,"priceCents":915,"priceUsd":"9.15","msrpCents":934,"msrpUsd":"9.34","inStock":true,"inventoryQuantity":1,"thumbnailUrl":"https://cdn.wpsstatic.com/images/22a0-585c4aac16c4d.jpg"},{"id":"ebc-dot4-fluid-pack-fatboy","sku":"10BF004","handle":"ebc-dot-4-brake-fluid","mpn":"BF004","dpn":"57-1004","title":"EBC Dot 4 Brake Fluid","quantity":2,"specNote":null,"priceCents":555,"priceUsd":"5.55","msrpCents":555,"msrpUsd":"5.55","inStock":true,"inventoryQuantity":1,"thumbnailUrl":"https://cdn.wpsstatic.com/images/82a6-572a745ef0326.jpg"}],"cartPayload":{"endpoint":"POST /api/cart","items":[{"sku":"2-DCPR7E","quantity":4,"handle":"ngk-spark-plug"},{"sku":"10BF004","quantity":2,"handle":"ebc-dot-4-brake-fluid"}]}}]}