國外已經在預購了 不知道有甚麼不同 YS 91 SR-3DS Helicopter Engine ( YS 91SR-S ) Brand New in Box, Made in Japan
The 91 SRS is the new version in helicopter engine technology from YS
FEATURES:
- New Stroke design for superior operation and more power
- New carburetor design for easier adjustment
- Factory preset fuel regulator
- Pressurized and regulated fuel injection system
- Same physical size as 61ST-2, 80ST, 91ST making it easy to add more power to your helicopter
INCLUDES:
- YS91 SR-3DS (YS91 SR-S) Helicopter Engine
- Check Valve
- Needle Valve
- English Operator's manual
SPECS:
Displacement: 14.89 cc
Bore: 27 mm
Stroke: 26 mm
Practical RPM Range: 2000-17,000
Weight Without Muffler: 553g |