Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Engine Oil

New standard for engine oil, GF-4. See TSB SN050109 for Honda Service News 050109 for additional information.

Engine Oil

API Classification Make sure the label says "For Gasoline Engines".
SAE Viscosity 10W-30 (preferred)

NOTE: You may use a 5W-40 oil if the temperature in your area goes below 0°F (-20°C).