10. A.C. GENERATOR/STARTER CLUTCH Downtown 300i ABS INSPECTION Inspect the starter driven gear for wear or damage. Measure the starter driven gear I.D. and O.D. I.D. Service Limits: I.D.: 22.15mm replace if over O.D.: 41.50mm replace if below O.D. Starter Idle Gear Inspect the starter idle gear and shaft for wear or damage. Shaft Inspect the starter one-way clutch for wear or damage. Starter One-way Clutch 10-6