Operation CHARM: Car repair manuals for everyone.
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

Brake Proportioning/Combination Valve

Dual Proportioning Valve Switch Point ZM Engine 2900 +/- 200 Kilopascal (kPa)
FP Engine 2000 +/- 300 Kilopascal (kPa)
Rear Wheel Pressure
When Master Cylinder Pressure is 5900 kPa
ZM Engine 3800 +/- 300 Kilopascal (kPa)
FP Engine 3100 +/- 400 Kilopascal (kPa)