Parts guides
Plain-English guides to the parts you'll buy most: oil, tires, brake pads, batteries and spark plugs, plus how to choose between OEM and aftermarket.
- DOT 4 vs DOT 5.1 brake fluid for motorcycles: what to useDOT 4 vs DOT 5.1 brake fluid on a motorcycle: boiling points, mixing rules, why DOT 5 silicone is different, and how to follow your reservoir cap and manual.6 min read
- Motorcycle sprocket sizes explained: how to choose tooth countsMotorcycle sprocket sizes explained: how tooth counts change gearing, what -1/+2 swaps do, chain size matching, materials, and when sprockets need replacing.6 min read
- Foam vs paper vs cotton motorcycle air filter: which to useFoam vs paper vs cotton motorcycle air filter: how each filters, how often it needs service, what it costs and which type suits street, touring or dirt riding.6 min read
- Motorcycle clutch plates: types, wear signs and replacementMotorcycle clutch plates explained: friction vs steel plates, springs and baskets, wear signs, when to replace, oil effects, parts to buy and typical cost.6 min read
- Motorcycle oil filter guide: types, sizing and when to changeA motorcycle oil filter guide covering spin-on, cartridge and cleanable types, how to match the right filter, change intervals, torque tips and what they cost.6 min read
- Motorcycle regulator rectifier: what it does, symptoms, testingMotorcycle regulator rectifier explained: what it does, shunt vs series types, failure symptoms, how to test charging voltage, why they burn out and the cost.6 min read
- O-ring vs X-ring motorcycle chain: differences and which to buyO-ring vs X-ring motorcycle chain: how each seal works, how they differ in friction and life, how they compare to standard chains, and which fits your riding.5 min read
- Tube vs tubeless motorcycle tires: differences and which to useTube vs tubeless motorcycle tires: how each works, how to tell what your wheels need, puncture behavior, repair rules, cost and why you can't swap freely.6 min read
- What coolant does my motorcycle need? Types, mixes and colorsWhat coolant does my motorcycle need? Learn how to read your manual, 50/50 premix vs concentrate, IAT vs OAT vs HOAT, why color misleads and what to avoid.6 min read
- When to replace motorcycle brake rotors: wear limits and signsNot sure when to replace motorcycle brake rotors? Learn how to read the minimum thickness, spot scoring, cracks and warping, and what replacement costs.6 min read
- OEM vs aftermarket motorcycle parts: which should you buy?OEM vs aftermarket motorcycle parts compared: cost, fit, quality, warranty rights and which parts to buy from the dealer versus which are safe to upgrade.5 min read
- Motorcycle tire date code: how to read it and when tires expireLearn how to read a motorcycle tire date code, where to find it, what the week and year digits mean, and when tires are too old to ride, even with tread left.5 min read
- Motorcycle spark plugs: when to replace and how to read themMotorcycle spark plugs: learn when to replace them, how to read plug color, what heat range and gap mean, signs of a bad plug and what a replacement costs.5 min read
- What oil for a motorcycle? JASO, viscosity and syntheticWhat oil for a motorcycle? Learn how to read JASO MA/MB ratings, viscosity like 10W-40, and when synthetic is worth it, plus the mistakes to avoid.6 min read
- AGM vs lithium vs gel motorcycle battery: how to chooseAGM vs lithium motorcycle battery, plus gel: compare cost, weight, cold cranking, lifespan and charging needs to pick the right battery for your bike.6 min read
- How to choose motorcycle tires for your riding styleHow to choose motorcycle tires: match size and rating to your bike, then pick sport, touring, cruiser or dual-sport tires, and know when to replace them.6 min read
- Organic vs sintered motorcycle brake pads: which to chooseOrganic vs sintered motorcycle brake pads, plus semi-metallic: compare bite, fade, rotor wear, wet grip and cost to pick the right pad for your bike.7 min read