Still-Boxed Straight-Six: 1981 Honda CBX

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This uncrated “1981 Honda motorcycle” could be nothing more special than a CB200 based on its seller’s description, though we immediately recognized what’s visible through the disintegrating cardboard box as an exotic and desirable straight-six CBX. The provided frame number (JH2SC0600BC301688) also confirms that the bike in question is indeed a penultimate model year example of Honda’s flagship bike of the era, a bike most memorable for its incredible twin-cam, 24-valve, 105 hp 1047cc straight-six and the otherworldly sounds it produces. The seller says very little, though they do believe the bike to be complete apart from its title–this won’t necessarily prevent one from getting the bike on the road for the first time, though unused or not, it’s still going to need some mechanical TLC before you’d need to worry about registration. Find it here at Obenauf Auctions Online near Chicago, Illinois with no reserve. Special thanks to BaT reader Speedbump for this submission. Photos don’t provide a whole lot of detail, but the bike does look complete as claimed. Chances are it’s going to be very dusty, and anyone serious about getting it ready for the road will certainly have a lot of brake and fuel lines to inspect and likely replace due to oxidation. The bike appears to be equipped with a full fairing, and fortunately the abundance of intact plastic wrap seen on many components should provide at least a little protection to paint and decals. Tires too are likely ready for replacement. Here’s a look at what the bike should look like once cleaned up and assembled. Here’s the crate’s shipping label–note that the bike appears to have been in Illinois for decades now. And finally, here’s Leno discussing his identical ’81 in-depth. The whole video is worth a watch, but for those impatiently waiting to hear what a long pull through the gears sounds like, go skip ahead to about 12:00.

1966 Norton N15CS

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This 1966 Norton N15CS is a matching-numbers example that was purchased 30 years ago as an unfinished project and gradually refurbished back to stock condition by the seller. Powered by a 745cc parallel twin with a 4-speed transmission, the bike features a rebuilt engine bored .20 over with sleeved carburetors and a rebuilt magneto. New fork tubes, fenders, shocks, chain guard, and the seat were sourced from marque specialists Walridge Motors. This N15CS is offered with copies of the service manual, parts manual, and a clean Arizona title in the seller’s name. The N15CS is a scrambler variant of the Norton Atlas that utilized a Matchless G12CS frame fitted with the engine, forks and brakes from the Atlas. At one time this example was modified as a chopper with longer fork tubes, cut-down fenders, and a banana seat. The frame was left un-unmodified, and the fuel tank, oil tank, and battery box are original to the bike. New fenders, seat, shocks, chain guard, and fender braces were sourced from Walridge Motors in Canada, and the bodywork repainted in the correct shade of Cardinal Red. The seller notes minor corrosion is visible on many fasteners. Both the speedometer and tachometer are replacements and have been rebuilt. 5253 miles are shown but the true mileage is unknown. The front end features new fork tubes, seals, and gators. The seller notes that there is a ding on the front wheel and the fasteners for the fender bridge are incorrect. Wire-spoke wheels wear new Dunlop Trials Universal tires. Power comes from an air cooled 745cc OHV parallel twin with a 4-speed right-side shift transmission. The matching numbers engine was rebuilt with .20 over pistons, and the worn Amal Monoblock carburetors re-sleeved with a float bowl extension fitted to the master carburetor. The wiring harness is an un-cut original, and the Lucas K2F magneto was rebuilt. The bike came from the factory without mufflers but period replacements were fitted to keep the peace. The original exhaust pipes and a spare cylinder head will be included with the sale. Copies of the maintenance manual and parts book are included, but no service records are available as much of the work has been performed by the seller.

1989 Honda XRV650 Africa Twin RD03

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This 1989 Honda XRV650 Africa Twin RD03 has been owned by the seller for over 18 years and he has added over 4000 miles during that time. He bought it from the original owner in 2000 in Northern Germany and shipped it to California in 2015, and says it was lengthy and difficult process to legally title the bike in California. The bike retains its original 647cc engine and 5-speed gearbox. It is offered with the factory windscreen, the OEM manual, German TÜV paperwork, and a clean California title in the seller’s name. Modifications to the bike include a period aftermarket windscreen made specifically for the Africa Twin, an aftermarket seat cover with heating, and a metal headlight guard (OEM was black plastic). The rest of the bike is all original, including the exhaust which is very unusual on this model at this age. The bike now has 24,950+/- kilometers (~15,500 miles) and the paint and bodywork is all original. This model was produced by Honda to compete in the Paris-Dakar Rally and specially developed by HRC to compete and win. The bike was recently given a new battery, an oil change using synthetic oil, new spark plugs, and had the chain lubed. The tires were also replaced. The seller says that if the bike is sitting for long periods of time the carbs easily gum-up, but that can be resolved with fuel additives, but better yet avoided with consistent usage. The seat can be heated at two settings (high/low). Multiple keys, the owner’s manual, and paperwork from the German TÜV for fog lights 1 year ago are included.

1961 Heinkel Tourist 103 A-2

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This 1961 Heinkel Tourist 103 A-2 was purchased 10 years ago and used primarily by the seller as a pit bike while racing at Laguna Seca. Powered by a 175cc 4-stroke single cylinder with a 4-speed transmission, the bike has been refurbished with new paint, trim, and upholstery. The wheels and engine cooling shroud were powder coated and the control cables, clutch, drive sprockets, and chain were replaced. 15K miles are currently indicated and the seller estimates that 100 miles have been added since 2008. This Heinkel is sold with a clean California title in the seller’s name. It was re-painted in a custom shade that is noted to be close to the original Pelican Red. The cast aluminum floor board was media blasted and the seat was re-upholstered in red over black with a custom ribbed pattern. New side trim was sourced and the wheels powder coated silver. Features include a rear mounted luggage rack and a correct Heinkel bar-end mirror. Minor dings can be seen on the leg shield and headlight pod in the gallery below. The 80 MPH VDO speedometer is functional, with minor pitting visible on the bezel. 15,790 miles are indicated. Powered by an air-cooled 4-stroke 175cc single with a 4-speed transmission, the engine shrouds have been powder coated, and the exhaust manifold coated by Jet-Hot. All control cables have been replaced, and the seller has installed a new battery, clutch, sprockets, chain, and exhaust. The oil was recently changed but a minor oil leak is noted from the right side engine cover. An original owner’s manual, a reprint of the factory service manual, and newsletters from the Heinkel Club Deutschland are included. The seller will also supply various spare parts. A brief riding video has been provided by the seller.

1957 BSA DBD34 Gold Star

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This 1957 BSA DBD34 Gold Star was purchased by the seller seven years ago and subsequently restored by British motorcycle specialist Tim Bardsley of Ontario, Canada. Powered by a 500cc OHV single mated to a 4-speed transmission, the bike has reportedly been rebuilt to stock specifications, including new paint, refreshed chrome, and rebuilt mechanical systems. It has been used primarily as a display piece, and only 50 miles of the 23k indicated miles have been added since the restoration was completed. This BSA Gold Star is offered with a clean Florida title in the seller’s name. Produced for 25 years in both 350cc and 500cc variants, the Gold Star was used primarily for racing and dominated European TT races. It also won numerous road race, flat track, and off road competitions in the US. This example has been rebuilt in street trim and is finished in silver and black with chrome details. The paint, chrome, and upholstery were renewed as part of the restoration, with all fasteners cad plated as originally supplied. The chrome Dunlop rims wear a combination of a ribbed Avon Speedmaster on the front and a Dunlop K70 at the rear. While many Gold Stars were equipped with clip-on handlebars and rear-set foot controls, the seller has found them impractical for anything but the track, so this example is fitted with standard bars and controls for street use. Instrumentation consist of an 8k-rpm tachometer, an ammeter, and a 100-mph Smiths chronometric speedometer. 23k miles are shown on the odometer. The 500cc OHV single was rated at 40 horsepower from the factory and features an alloy barrel and cylinder head, as well as a 1.5″ Amal GP carburetor with a velocity stack. The 4-speed transmission shifts on the right side and transfers power to the rear wheel via chain drive. A manual compression release aids with kick starting, while a Lucas magneto provides the ignition and a Lucas generator powers the lights. No service records are available, the oil was changed and the magneto cleaned within the last year. Videos below show the bike running and parked.

6,400-Mile 2015 BMW F800GS Adventure

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This 2015 BMW F800GS Adventure shows 6,400 miles and is powered by a 798cc parallel twin paired with a 6-speed manual transmission. The bike is equipped with the Fully Loaded package including ABS, LED fog lights, ESA suspension, and more. Headlamp and fog light guards are fitted along with pannier and tail bag mounts. New factory tires were installed in 2017, and an oil change was performed within the last few hundred miles according to the seller. This F800GS is offered with partial records and a clean California title. White fuel tank sides are contrasted by grey radiator farings, black plastics, and a black tubular frame. The bike is equipped with silver pannier mounts as well as a tail bag mount above the taillight. New factory-Style Heidenau all-terrain tires were installed in 2017. The bike is equipped with the Fully Loaded Package, which encompassed the Premium Package, Comfort Package, and Active Package and included ABS, stability control, heated grips, LED foglights, Electronic Suspension Adjustment, an onboard computer, and a center stand. Guards are installed on the headlamps and fog lights. Analog instrumentation includes a 160 mph speedometer and a tachometer with an 8,500 rpm redline, supplemented with a configurable digital display containing the odometer, gear indicator, fuel gauge, and other functions. The water-cooled 798cc vertical twin features four valves per cylinder and was factory rated at 77 horsepower when new. The 6-speed manual transmission sends power to the rear wheel via a conventional chain drive. The seller notes that only routine services have been performed, including a recent oil change. The inverted front telescopic fork features 9″ of suspension travel, with 8.5″ afforded by the rear swingarm. Brembo disc brakes are installed front and rear.

141-Mile 2008 Ducati 1098

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This 2008 Ducati 1098 comes from the second year of production and shows just 141 miles. Finished in yellow over a gunmetal trellis frame, the bike has resided in a private collection for the past 11 years. Factory features include Marchesini wheels, Brembo brakes, Showa suspension, and more as outlined below. Power is provided by a 1,099cc desmodromic L-twin paired with a 6-speed gearbox, and a fluid change and tune-up were performed in 2016. This 1098 is now offered with both keys, the passenger seat, manuals, service records, and a clean Manitoba registration in the seller’s name.

141-Mile 2008 Ducati 1098

Released in 2007 as a replacement for the 999 model, the 1098 features styling influenced by the Ducati 916. It is equipped with twin horizontal headlights, an under-seat twin exhaust, and a single-sided swingarm.

141-Mile 2008 Ducati 1098

Close-ups of the yellow fairing, fuel tank, and tail section are provided in the gallery below. The factory side mirrors, turn indicators, and license plate holder remain installed. The base model received Showa suspension and Brembo brakes.

141-Mile 2008 Ducati 1098

The Y-spoke Marchesini wheels come wrapped the original Pirelli tires. Note the factory paint marks on the chain, swingarm, and sprocket.

141-Mile 2008 Ducati 1098

Instrumentation includes a multifunction digital display showing just 227 kilometers (141 miles).

141-Mile 2008 Ducati 1098

The 1,099 L-twin was rated for 160 horsepower in stock trim and came equipped with a stainless exhaust system from the factory. A new set of spark plugs was installed in 2016, and the fluids were also changed. Power is routed through a dry clutch and a 6-speed gearbox. Service records accompany the sale along with manuals, keys, and the passenger seat.

No Reserve: 1996 Ducati 900 Supersport SP

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This 1996 Ducati 900 Supersport SP is powered by a 904cc desmodromic V-twin paired with a six-speed transmission. The bike features red bodywork with a bronze-colored trellis frame, and features include Brembo brakes, cast aluminum wheels, and a factory exhaust. The seller purchased it from Seattle Ducati four years ago, and work performed in preparation for the sale included a carburetor cleaning and a compression test. This 900SS is now offered at no reserve with recent records, the owner’s manual, factory tool kit, and a clean Oregon title in the seller’s name.

No Reserve: 1996 Ducati 900 Supersport SP

The 900SS SP (Sport ­Production) features a bronze-colored trellis frame, a rear seat cowl, and carbon fiber fenders and clutch cover. Showa adjustable suspension, Brembo brakes, an aluminum swing arm, and a 5.5″ rear wheel completed the package. The bike retains the factory exhaust system. The seller has replaced the chain and sprocket, and the cast aluminum wheels wear newer Dunlop Sportmax tires.

No Reserve: 1996 Ducati 900 Supersport SP

Only 160 SP versions were produced, and each wears a numbered plaque on the upper triple clamp. This bike is numbered D86.

No Reserve: 1996 Ducati 900 Supersport SP

Inside the fairing, instrumentation consists of a 160-mph speedometer, a tachometer with a 9k-rpm redline, and a temperature gauge. Just over 6,800 miles are shown on the odometer, and the factory applied foam padding used to pass EPA noise requirements is still present.

No Reserve: 1996 Ducati 900 Supersport SP

The 904cc V-twin was factory-rated at 84 horsepower and features desmodromic actuated valves, dual 38mm Mikuni carburetors, and a dry clutch. A six-speed transmission transfers power to the rear wheel via chain drive. Cheshire Motors in Portland Oregon recently performed a carburetor cleaning and a compression test, with 145/135 psi measured on each cylinder.

No Reserve: 1996 Ducati 900 Supersport SP

The owner’s manual, factory tool kit and recent service records will be included. A walkaround video is provided below.

No Reserve: 1978 Honda CB550 “Cafe Overkill”

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This 1978 Honda CB550 was customized and named “Cafe Overkill” by Jeff Stephens of Godffery’s Garage in Burlington, Wisconsin. Powered by an air-cooled 550cc inline-four with a 5-speed transmission, the bike has been modified with polished aluminum bodywork, a custom-fabricated swingarm, oversized forks with dual disc brakes, Ducati fenders, and Akront wheels. The engine was reportedly rebuilt with a ported cylinder head, modified camshaft, electronic ignition, larger carburetors, and hydraulic clutch. This CB550 was acquired by the seller two years ago and is sold with a rear wheel stand and a clean Illinois title in the seller’s name. The bodywork is finished in polished aluminum with black accents, and the frame is powder coated in red. The fuel tank and seat pan are custom items from Benjie’s Cafe Racer, while the fenders and headlight are modified Ducati pieces. The headlight ears are cast aluminum, and a Lucas tail light was sourced from an unspecified 1950s British car. The handlebar base and gauge mounts were removed from the top triple clamp, and Telefix clip-on handlebars were fitted to the fork tubes. Instrumentation consists of a Honda Racing tachometer with LED warning lights built into the face. The clutch and brake master cylinders are Nissin radial items with the reservoirs hidden behind the headlight. No speedometer or odometer are present, though under 500 miles are believed to have been added since the build was completed. The front suspension features 50.4mm over fork tubes modified with CB450 external springs and a Tarozzi fork brace. The dual disc brakes were drilled and the brake adjusters removed from the fork lowers to allow free floating. Braided stainless steel brake lines are from Slingshot Cycles. A Daytona multi-setting steering damper has been fitted, and 18” Akront shouldered rims with stainless steel spokes wear Dunlop K81 tires. The rear swingarm was custom fabricated by Frame Crafters and features dual inboard gas shocks. Tarozzi rearsets are mounted on custom aircraft aluminum brackets. The rear brake plate has been drilled for ventilation, and the 4-into-2 stainless steel exhaust was fabricated by Benji’s with heel guards and billet aluminum clamps. Power comes from an air-cooled 550cc inline-four with a 5-speed transmission. The engine was reportedly overhauled as part of the build, though supporting records are unavailable. The seller can provide a detailed list of modifications performed, including: Ported cylinder head Web camshaft and valve springs DYNA electronic ignition and coils Engraved clear acrylic timing cover Keihin CR26 Carburetors with K&N filters Ported intake manifolds modified with balancing tubes Randakk’s oil filter adapter Yoyodyne hydraulic clutch Clutch cover vented with oil sight glass added Front sprocket cover vented with oil pressure gauge added Electrics relocated under seat Inverted Odyssey dry cell battery Pressure gauge added directly to oil pump Oil temperature gauge added to billet filler cap A walk-around video can be viewed below.