FUEL
SYSTEMS
EXHAUST
DRIVE LINE
HANDLING
ELECTRICAL
WATERLINE/
BILGE
STEERING
&
CONTROLS
SERVICE TOOLS
/
HARDWARE
CHEMICAL
BODY
ACCESSORIES
ENGINE/
GASKETS
34
Yamaha
Y701/760 Girdle Head Shell Only
Y701 32cc Dome Set
Y701 33cc Dome Set
Y701 34cc Dome Set
Y701 35cc Dome Set
Y760 34cc Dome Set
Y760 35cc Dome Set
Y760 36cc Dome Set
Y760 38cc Dome Set
Flat Top Kawasaki Piston 25cc *
Flat Top Kawasaki Piston 27cc *
Y701/760 O-Ring Kit
*
See page 39, R&D Dominator Piston & Sleeves.
Part No.
50-5070
50-5049-32
50-5049-33
50-5049-34
50-5049-35
50-5061-34
50-5061-35
50-5061-36
50-5061-38
50-5076-25
K
50-5076-27
K
50-5049-
O
PRO DESIGN BILLET GIRDLE HEAD
N/R: Not Recommended
Note: This guide is for motors with no internal engine modifications at sea level elevation. it only applies to Riva Cylinder Heads & Domes.
PRO-SERIES II HEAD DOME CHART
ENGINE
TYPE
29
cc for
81
mm
31
cc for
81
mm
35
cc for
81
mm
38
cc for
81
mm
32
cc for
84
mm
701
cc
225
psi
205
psi
180
psi
155
psi
N/R
760
cc
N/R
N/R
N/R
N/R
220
psi
Part No.
RY10026-D-29 RY10026-D-31 RY10026-D-35 RY10026-D-38 RY10027-D-32
34
cc for
84
mm
35
cc for
84
mm
38
cc for
84
mm
41
cc for
84
mm
N/R
N/R
N/R
N/R
205
psi
200
psi
185
psi
155
psi
RY10027-D-34 RY10027-D-35 RY10027-D-38 RY10027-D-41
Descriptions
Girdle Head Cap Y701/760 2 Cyl. 3 mounts
Part No.
RY10027-A3
Part No.
RY10026-D-XX(CC)*
RY10027-D-XX(CC)*
Part No.
RY10027-B
Descriptions
Y701/760 2 Cylinder Girdle
RIVA YAMAHA BILLET GIRDLE HEAD KIT
Pro-series Billet Head Bodies
(
Includes Hardware and O-Ring)
Pro-Series Billet Head Caps
(
Available with or without integrated exhaust mounts)
Pro-Series Billet Head Domes
(
Sold Individually)
Descriptions
701 81
mm Bore
760 84
mm Bore
*
See Head Dome Chart for part # of domes
RIVA YAMAHA BILLET GIRDLE HEAD KIT
Kawasaki
Part No.
Ultra 150/STX-R Billet Head Shell
KU150
44
cc Dome +10 Lbs 91 Oct.
KU1544
42
cc Dome +20 lbs 91 Oct.
KU1542
40
cc Dome +30 lbs 98 Oct.
KU1540
38
cc Dome +40 lbs 105 Oct.
KU1538
Ultra 150/STX-R O-Ring Kit
ORKIT-KU150