Cycle News - Archive Issues - 1990's

(Left) Lineaweaver fabricated the exhaust system, which wraps underneath the motor. Trick carbon-fiber muffler and billet ignition cover are also custombuilt items. Adjustab le WP s hoc ks control bump abs orption. . (Below) WP Roma forks are topshelf items. For IT, Lineaweaver will bolt on a Brembo master .6-inch Kosman cylinder, 1D rotor, and a Performan ce Machine ca liper of his own spec. (Left) Fuel tank and all other fiberglass are Knight items. Frame will accept any "Knight style" glass. (Below) The next Ron Wood? With the prototype now completed , L1neaweaver (sh own) wants to sell versions of the bike in everyth ing from kit form to complete mach ines. Lineaweaver says that pricing should be competitive with other kits currently on the market. dynamometer - the same as the most powerful Rotaxes he's seen - an d yet the Husaberg we ighs in at a pa ltry 204 po unds, so me 26 po unds lighter than a Rotax. A nd it won' t be a one-off fo r lo ng. Lin ea weaver now p lan s to sta rt seIling versions of the bike in kit form. "I sp ared no ex pense on the p ro totype, " Lineaweaver says. "Bu t I wan t the bike to be affo rda ble. Right now, if yo u want one of these bikes all that you have to do is buy the moto r and the frame, and you can bolt the rest of you r existi ng hard ware right on. It's a tru e kit bike. I jus t wa nted to buil d a motorcycle completely from scratch, and this was as close as I could get." Thou gh it is already legal for Pro-Am competition, Lineaweaver says that h is next goal is to get the bike hom ologation for Gra nd National Cha m p ionship use. That involves making it ~eet the postrace minimum weight req u irement of 223 pounds and pon yi ng up $2500 for th e homologat ion fee . Both are mi no r obstacles. "I've come this far, I'm not going to quit now," Lineaweaver says. Lineaweaver admits tha t the Husaberg is in dire need of track time, something tha t the soggy Northern California weather has delayed. But the few hou rs spent riding the bike have proven to be frui tful. "The re as on I built this b ik e is n't what yo u'd thin k," Lineaweaver says."] like a cha llenge, and I like to do wh at nob ody else has d one befor e, bu t I've never considered myself a mechanic. I'm more of a tuner, or without blowing my own hom too much, an artist. Everybody takes from the sport, but nobody puts anything back into it. This was my way of doing that." If Lineaweaver gets his wish. "giving back" to the sport may mean making Swedish the official language of Ameril~ can dirt track racing. Lineaweaver Racing! Husaberg 600 Realizing that he had something special. Lineaweaver selected nothing less than top-line componentry for the Husaberg. His vast expertise with intake and exhaust systems yielded an interesting choice of carburetors for the bike, a 41mm Keihin FCR roller flat-slide normally used for road racing. "It's a great carburetor beca use it's a fla t-slide, b ut th e rollers ensu re that it wo n' t stick like reg ular flat-slides when yo u roll off th e th ro ttl e," Lineaweaver says. "And becau se it's a push-pull carbu re tor, the th rottle action is light and smooth." Lineaweaver also fashioned his own exhaust co m plete with a carbon-fiber muffler that saves weight while sounding off at a quiet .97 decibels. The suspension package is also firstra te. Up fron t, a Kosman variable-offset triple-d amp hou ses White Power Roma di rt track forks - the very same used by . the Harley- Davidso n factory team. Inter estingly eno ugh, Lineaweaver had to fas hio n his own front ax le, as none existed for his application. The axles - as well as all of the parts he fabricated for the machine - are now availab le throu gh him. Out back, a p air of White Power DT piggyback shocks h elp ke ep the power to the ground. The brake sys tems are in keeping with the flyweig ht theme that pervades the ' re st of the machine . In the rear, Lineaweaver mated a tiny Kosm an to-inch Specilicalions .D aleUneaw eaver ApproXimate value $13.000 Displacement 596.7cc Engine type Uquick:ooled. four-valve, Tuner overhead-camfour-strok e 95 x 54.2mm Compression ratio 10.7:1 Horsepower 70 Cartluretion .41 mm Keihin FCR flat·slide Ignition ... .. . .• . . . . . . . . . . .. . .Electronic Transmission speeds .4 Starting system Bump Chassis J&M Racing Products Fuel capacity approx. 1 ga l. Wheelbase 53.5-55.5 in. Rakeltrail 25.5'13.5 in. Seat height 31.5 Front tire Goodyear 27 x 7 x 19-inchCD5 Rear tire .Goodyear 27.5 x7.5 x 19-inch COB Front for1l White Power Roma DT Rearshoc:k . .(2) While Power adjustable DT Front wheel travel 6.0in. Rear wheel travel 6.0 in. Rear brake . . .1O.D-in. discwith Performance Machine. caliper Front brake .. 10 .6-in. discwith Performance Machine caliper Final drive 520chain Claimed dry weight 204Ibs. Borex stroke rotor to a modified Performance Machi ne caliper and Nissin master cylinder. During TT races, a standard 10.6-inch Kosman fro n t rotor w ill ge t clam pe d by a Performance Machine caliper and Brembo master cylinder. Lineaweaver spen t several hours carefully machining excess material from the all the components to make them ligh ter yet. Rollin g stoc k is sta nda rd d irt track fare. Goodyear DT tires are lever ed onto w ide Akront rims lac ed to Kosman hubs . In the cockpit, Magura controls on K&N hand lebars operate the Motion Pro ca b les . Speaking o f controls , Lin- eaweaver a lso replaced the stock shift lever with h is o w n fo ldi ng d e si gn . . Knight fiberglass an d O' Brien number pl at es top off th e mach in e, w hi ch ha s been spra yed a magni ficent pearl white. Line aweaver es tim at es that he ha s some $13,000 invested in the Husaberg. That's a bit more th an the $11,000 price ta g of a com p ar ab ly eq u ipped Rota x, but th e return comes in the form of a sano, on e-off di rt tracker tha t ma y prove to be too much for the migh ty Rot axes to d eal with. Lineaweave r claims th e Swedish mill has spit ou t 60 horsepower at the rea r wheel on h is Dy n oje t Uneaweaver Racing 951 St. Andrews Dr. B Sobrante, CA 94803 5101223-9052 If) 0\ 0\ ,....; - ll"l .... .... 0... <: 21

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