Carburetor (XL600R)

Identification mark
1983 PH60A
1984 49 states PH64A
1984 California PH66A
1985 49 states PH68A-B
1985 California PH68B-B
1986 and later 49 states PH68G
1986 and later California PH68H
Jet sizes and settings
Standard main jet (sea level to 5000 ft)
1983
Primary 125
Secondary 112
1984 49 states (primary and secondary) 120
1984 California (primary and secondary) 118
1985 and later
Primary 118
Secondary 115
High altitude main jet (5000 ft to 6500 ft) Same as standard
High altitude main jet (above 6500 ft)
1983 Same as standard
1984 49 states (primary and secondary) 112
1984 California (primary and secondary) 110
1985 and later
Primary 115
Secondary 112
Slow jet
1983 55
1984 and 1985 65
1986 and later 62
Jet needle clip position Not specified
Mixture screw setting (turns out from lightly seated position)
Sea level to 5000 ft
1983 1
1984 and 1985 2
1986 on , 1-1/2
Above 5000 ft
1983 2-Jan
1984 1-1/2
1985 and later 1-3/8
Float level
1983 and 1984 20.0 mm (0.79 inch)
1985 and later 18.0 mm (0.71 inch)