Kyosho 1/10 Ultima RB6.6 Buggy 2WD Kit

Tower Stock# LXGFLM  •  Manufacturer Stock# 34302B
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  • bottom (see larger view)
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Notes from our tech department:
This is the Radio Controlled, Electric Powered,
1/10 scale Ultima RB6.6 Buggy Kit from Kyosho.


Chassis: 7075 T-6 aluminum with increased rigidity and lower center
of gravity to perform in both high-speed and high-grip conditions,
plastic sideguards
Drive: Rear wheel, one-piece steel wheel shafts
Gearbox: Four configurations, Rear Motor, 3 Gear Midship, 4 Gear
Midship and Lowdown Midship, rear motor for looser surfaces,
midship for high-grip conditions and lowdown midship for ultra
high-grip surfaces such as artificial turf and carpet
Differential: Ball type with tungsten diff balls
large capacity slipper clutch to handle high-power motors
Shocks: Big Bore oil-filled, medium firmness shock springs
Wheels: Dish type, white in color
Wheel Hubs: Clamp screw aluminum hex type
Battery Orientation: Longitudinal or sideways (with midship layout)
for precise weight distribution
Caster: Adjustable, caster/toe-in refers to the angle of the front
suspension when viewed from the side of the car in relation to the
chassis, 0, 2 and 4 caster inserts
Camber: Adjustable, camber refers to the angle of the tops of the
tires from vertical when viewed from front or behind vehicle
Suspension Arms: Reverse gullwing shape produces effective damping
even in shallow movement and prevent bottoming out during deep
suspension stroke


Ultima RB6.6 Buggy Kit with Shocks, Ball Diff, Wheels, Manual
X-GEAR ball diff grease, high graphite grease and shock springs


Radio: 2-channel with high-torque steering servo
Motor: 7.5-8.5 turn brushless motor recommended
Pinion Gear: 48P, 20-23 turn
ESC: Compatible with selected motor
Battery: 6-cell NiMH stick pack, or 6.6V "shorty" LiPo pack, or
7.4V straight LiPo pack
Battery Charger: Compatible with selected battery
Body: 1/10 scale buggy
Tires: 1/10 scale buggy with foam inserts
Building and track equipment


Length: 15.5" (395mm)
Width: 9.8"" (249mm)
Height: 5.5" (140mm)
Wheelbase: 11.2" (285mm)
Front Tread: 8.7" (221mm)
Rear Tread: 7.9" (201mm)
Weight: 3.6lbs (1,620g) approximately
Gear Ratio: 2.60:1 (secondary reduction ratio) w/76T spur gear,
Pinion gear sold separately


For Replacement Ball Bearings use:
Qty. Size Location Qty. Bearing Set
4 5x8mm Steering 2 DTXC1523
4 5x10mm Fr Uprights 2 DTXC1535
2 5x8mm Diff 1 DTXC1523
4 10x15mm Transmission 2 DTXC1595
3 5x10mm Transmission 1 DTXC1535
2 5x10mm Rear Uprights 1 DTXC1535

jxs 7/25/16

See Tower Catalog page 93.
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