Author: Jake Miller

Dark oil isn't always bad. I explain the real black engine oil symptoms, what causes them, and how I decide…

Jake Miller October 4, 2026 9 min read

Wondering what your motorcycle oil color says about engine health? I explain amber, black, milky and foamy oil so you…

Jake Miller October 4, 2026 11 min read

Learn how to check your motorcycle oil level in minutes. My step-by-step guide covers sight glass vs dipstick, reading oil…

Jake Miller October 4, 2026 10 min read

Looking for a dependable conventional motor oil? I share my 7 favorite petroleum-based motorcycle oils, with real specs, wet-clutch notes,…

Jake Miller October 4, 2026 9 min read

Wrenching on my own BMW airhead for years, I rank 7 oils from Valvoline VR1 to Rotella T4, with viscosity,…

Jake Miller October 4, 2026 9 min read

Breaking in a new bike? I share my 7 best break-in oils, from Motul 3000 to Honda GN4 and Rotella…

Jake Miller October 4, 2026 9 min read

Looking for the best semi synthetic oil for your motorcycle? I compare 7 wet-clutch-safe picks from Motul, Castrol, Shell and…

Jake Miller October 4, 2026 9 min read

Looking for the best oil for your Suzuki motorcycle? I break down my 7 top picks for GSX-R, V-Strom, Hayabusa…

Jake Miller October 4, 2026 10 min read

Looking for the right oil for your GSX1250FA? I break down 7 top 10W-40 picks, from Motul 7100 to Castrol…

Jake Miller October 4, 2026 9 min read

Looking for a synthetic, non-petroleum oil for your bike? I share 7 ester and PAO motorcycle oils I trust, with…

Jake Miller October 4, 2026 9 min read