Patent ID: 7234558

Claim:
A motorcycle construction for permitting a rider to assume either a first, elevated crouched racing position, or a second, lowered, reclined feet-forward position, said motorcycle including a main frame assembly ( 1 ) provided with a front wheel suspension assembly ( 2 ), holding a front wheel ( 3 ) as well as a handlebar assembly ( 9 ) with two handgrips ( 18 ) for enabling the driver to steer and control said motorcycle, and a rear wheel suspension assembly ( 4 ) holding a rear wheel ( 5 ), and a combined engine/transmission assembly ( 6 ) arranged for driving said rear wheel ( 5 ) or said front wheel ( 3 ) or both wheels ( 5 , 3 ); said main frame further being provided with a seat ( 7 ) for a driver, a handlebar adjustment assembly ( 19 ) for adjusting the handlebar assembly ( 9 ) between a rearward custom cruiser position ( 20 ), and a forward racing position ( 21 ), wherein said main frame is provided with two pairs of footpegs, one fore footpeg pair ( 10 f ) and an aft footpeg pair ( 10 a ) for the driver's feet, said fore position pair( 10 f ) being forward of said seat for use with said second position and being arranged on said main frame assembly ( 1 ) at a fore position, allowing said drivers legs to be extended forward of said seat, and said aft pair ( 10 a ) for use with said first position, allowing said driver's feet to be positioned generally below said seat ( 7 ); said main frame ( 1 ) further being provided with a seat moving assembly ( 13 ) for moving said driver seat ( 7 ) between said first position ( 14 ), for use with said aft pair of footpegs ( 10 a ), and said second position ( 15 ) for use with said fore pair of footpegs ( 10 f ), wherein said main frame ( 1 ) further includes a steering head assembly ( 2 ) including an inclined steering head pipe ( 25 ) with bearings for rotating upper and lower steering head triple tree plates ( 24 , 26 ) holding upper portions of telescopic front wheel suspension fork arms ( 22 ) holding said front wheel ( 3 ), wherein said handlebar ( 9 ) is mounted for being rotating about a horizontal axis ( 9 d ) in bearings ( 9 e ) on said upper steering head triple tree plate ( 24 ), said upper steering head triple tree plate ( 24 ) being provided with a forward extending actuator link arm ( 9 c ) holding an actuator ( 9 a ) connected to a handlebar moment link arm ( 9 b ) for rotating said handlebar ( 9 ) in its bearings ( 9 e ) while said actuator ( 9 a ) is shortened or lengthened, so as to adapt said handlebar ( 9 ) and handgrips ( 18 ) for said rearward custom cruiser position ( 20 ) or for said forward racing position ( 21 ).