This summer (2012) I knew I would be passing 24,000 miles on my 2008 Bonneville. This mileage interval requires a more major number of factory recommended maintenance items. If you have a Haynes Service & Repair Manual, it lists the recommended maintenance items.

Haynes Service & Repair Manual

Here is a PDF file listing those recommended items.

Bonneville Service Intervals Checklist – PDF

Here’s what I’ve done so far this summer (2012):

Lubrication

• Changed oil and oil filter – Spectro/K&N

Fuel System

• New throttle cable and adjustment (went with Speigler replacement stainless steel one)
• Check fuel system and hoses for leaks and condition – nothing required
• New K&N air cleaners
• Check carburetor balance – good

Ignition System

• New spark plugs – NGK-Iridium

Wheels/Tires

• Inspect for wear and damage – looks good
• Replace inner tubes – valves were showing signs of rust
• Check and adjust tire pressure

Steering and Suspension

• Check for free operation – good
• Check forks for leaks – good
• Check headstock bearings – good
• Renew fork oil – have yet to do this

Brakes

• Check brake fluid levels – good
• Check brake pads for wear – good
• Check brake calipers for leaks/seized pistons – good
• Check master cylinders for leaks – good.

 Electrical

• Check lights instruments and electrical system – good

Drive Chain

• Replace drive chain – D.I.D. O-Ring, heavy duty – just completed last night!
• Replace worn sprockets – New rear sprocket coming within days. Front is OK.

Engine

• Clutch cable – replace and adjust
• Valve clearances and adjust – all were off factory spec’s!

General

• Inspect fasteners for security – done
• Road test – done

Additional Operations – Every 2 years

• Renew brake fluid – done

26,000 miles on my 2008 Bonneville