Motorcycle body frame structure

Details Motorcycle body frame structure Motorcycle body frame structure

1987-08-12

1989-02-21

Mitchell, David M.

Motor vehicles

Special wheel base

Having only two wheels

180227, 180228, 280834, B62D 6102

Patent

active

048057169

ABSTRACT:
A motorcycle body frame structure made of an aluminum-based alloy, and suitable for off-road jumping and landing due to its increased rigidity and toughness, and the large stroke of its shock absorber. Maintenance is facilitated because the upper frame member is detachable from the head pipe and from the coupling member connecting the rear portions of the upper and lower frame members. The strength of the engine hanger is enhanced by securing it to a member connecting the front and rear frame portions. A large-size fuel tank is accommodated in a space defined between the upper frame member and left and right lower frame members.

REFERENCES:
patent: 4660854 (1987-04-01), Suzuki et al.
patent: 4673053 (1987-06-01), Tanaka et al.
patent: 4694929 (1987-09-01), Sugimato

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