bmw r65

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1994 – 2004 BMW Motorcycle History

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Filed Under (BMW) by admin on 17-11-2010

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1994 brought many changes to BMW, most obviously by the introduction of the “R259″ series twins and the elimination of the old standby “Airhead” twins that had been BMW’s trademark for seven decades. While it is interesting to look at all the technologies introduced during the 1994 to 2004 time block, it is also exciting to look into what was going on as far as changes in BMW more esoteric than measurable. In this author’s opinion there were unspoken changes in BMW’s mindset and philosophy. BMW had forged it’s reputation for long lasting, simple machines built to the highest standards and quality; aimed at a dwindling, older (OK, Jeff, more mature) market of enthusiastic but eccentric riders. They built motorcycles that were easy for the owners to maintain and modify to fit their specific wants. BMW had always built their bikes their way; often it seemed like they did so in spite of what the younger and upwardly mobile riders were looking for. By 1994, the airhead was simply not a sellable motorcycle; the buying market was younger and wanted performance in line with what the Japanese products offered at much lower prices. The K 75/100 series that were so far ahead of their time in 1984 when they were introduced were also showing their age. No doubt, BMW knew this was coming many years before the new “Oil Head” was introduced. They knew that the riding community had reduced its mean age substantially. The younger riders had money to spend on a bike that had to be BMW, yet had to be totally more modern both in performance and in perception than what BMW had been selling. Thus, the R259 was born. The Birth of the R259 Twins The new BMW corporate mindset, if you will, was no longer concerned with selling motorcycles that would be handed down from one generation to the next, nor was BMW concerned about ease of maintenance with standard hand tools. Although the new bikes were still able to outlast the riders, the concern for building units to last a quarter-million miles was not so much in the forefront of the design. The new models would have to be powerful, fast, handle better than anything on the road; they would need to offer a standard of technology that the Japanese would never build. They should be complex pieces of rolling art. Most obvious, though, was that they would build a product aimed at an entirely new market of riders who would likely not be interested in maintaining the bikes themselves or really understanding the nuances of design. The new customers BMW was looking for were serious riders who were more interested in the fun and excitement of riding than they were in savoring the history of the older designs

Integral ABS and ASC – new Riding Dynamic Control Systems for BMW Motorcycles

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Filed Under (BMW) by admin on 16-11-2010

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Entering its next generation, BMW Motorrad Integral ABS is taking a quantum leap in the process of evolution, advancing from a stand-alone solution acting only on the brakes into a fully networked all-round system. Offering the new generation of Integral ABS, BMW Motorrad provides the foundation for additional dynamic riding control systems with a reduction in technical requirements and features. And following the customer’s wishes, this new generation also opens up the option in future for further-reaching rider assistance functions. The first step in this direction is BMW Motorrad ASC Automatic Stability Control available as of 2007. This system serving to control drive spin on a production motorcycles is being introduced as an optional extra on the touring models in the BMW K and Boxer Series. Once again, therefore, BMW is acting as the pioneer in the introduction of advanced safety technologies on the motorcycle. This further enhances the leadership which BMW Motorrad has shown in the area of active safety for more than 15 years. Choosing the right development partner for both systems, BMW Motorrad obviously had to focus on that partner’s specific competence in control technology and the networking of functions within the vehicle. In recent years, major car suppliers have become aware of the technical challenges presented by the motorcycle with its specific riding dynamics and the growing potential for motorcycle control systems in the market. The decisive point in preselection of the development partner was the willingness and ability to develop specialised solutions suitable for use on BMW motorcycles. So taking this into account, joint development of the new generation of ABS brake technology started together with Continental-Teves in early 2003. Integral ABS. BMW Motorrad’s new Integral ABS technology has been developed separately from the previous system and the entire layout of the system has been newly conceived from the ground up. Capitalising on progress in technology in both hydraulics and electronics, the development engineers have succeeded in simplifying the architecture of the system while at the same time enhancing its functions to an even higher standard. The result is supreme stopping power and very short stopping distances even without electrical power assistance on the brakes.

Suspension Basics for BMW Motorcycles

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Filed Under (BMW) by admin on 30-11-2010

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tires: Tires are the first part of any suspension system. The design of the tire and even the pressure you run can have a profound affect on the way your motorcycle handles. Stiff, low profile tires will give a sharper feel to the bike, as will higher tire pressures. Those of us who ride our GS’s off the road will decrease the tire pressure to about 50% of the street spec when we are in the dirt. The tire then becomes a very active part of the suspension, but will wallow like an old pig if not re-inflated when pressed back into pavement duty. It still surprises me when we have a customer complain that his BMW needs new shocks when they come in with nearly flat tires. It is possible that the best dollars-per- unit improvement you can make to your BMW may be in keeping the tires inflated. Chassis: There is not much that we can do about the chassis design, unless we are Troy the Welder, but it is a fact that different frames and swing arms flex differently and therefore are part of the suspension. On the Airheads, we often braced various parts of the frame and swing arms, resulting in improved handling that even mere mortals could appreciate. On the latest BMW’s it would take the likes of a Valentino Rossi to even notice if the parts were stiffened. Stiffer is not always better. One of the Japanese racing bike manufactures controls the stiffness of the frame in various areas to allow some flex for better handling. So, Mr. Rossi might not even like it if Troy stiffened his new BMW. Springs: Springs control the ride height of the motorcycle and the ability to allow for different loads. On most BMW’s there is a way to adjust the spring preload to some extent so that the ride can be optimized for a light rider or two-up operation with luggage. Dampers: Dampers control the speed and frequency at which the suspension operates by changing the kinetic (moving) energy to thermal (heat) energy. Without the damper, the suspension would oscillate as each movement occurred, resulting in decreased vehicle control. Dampers on BMW’s fall into two main groups. On airheads, older K bikes, F and G models, and the R1200 HP-2, the front dampers are integrated into the forks. On the rear of the above mentioned -3 – models, and on both ends of all the rest of the bikes, there is a more common shock absorber, around which the spring is located. The HP-2 uses an air spring and air dampened rear shock. Seat: OK, folks, this is here for my old buddy Jeff. We know that a seat isn’t part of suspension, but a bad one sure can make you miserable. We have sent dozens of seats to our friend Mike Harris for inexpensive mods that might improve your riding enjoyment more than any suspension changes you could make! Let us know if we can help you with this most important item

BMW R 1200 C And R 850 C REPAIR MANUAL

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Filed Under (BMW) by admin on 22-11-2010

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BMW Inspection 1000 km/600 miles I -BMW Service II -BMW Inspection III -BMW Annual Service IV Reading out MoDiTeC fault memory (Inspections I, II, III and IV) • Remove the left air cleaner trim panel. • Connect MoDiTeC to diagnostic plug. • Read out the fault memory. • Perform any repair work indicated. Checking throttle cable play, adjusting if necessary (Inspections I and III) • Check throttle cable for free movement and freedom from abrasion or kinking; renew if neces- sary. • With the steering turned to various angles, open the throttle twistgrip fully and allow it to close again. • When released, the twistgrip must return to the closed position by itself. • Pull back the protective cap. • Preset throttle cable play with the engine cold to 1.5 mm (0.06 in). • Warm the engine up to its regular operating tem- perature. • Adjust throttle cable play to 0.5mm (0.02 in) Changing engine oil, renew oil filter element (Inspections I, II, III and IV) L Note: If the motorcycle is ridden only for short distances or outside temperatures are below 0°C (32°F): change the oil and renew the oil filter element every 3 months, but at least every 3 000 km (1 800 miles). • Change the oil while it is at regular operating temperature. • Remove screw plug. • Unscrew oil drain plug and drain off oil. • Fit new seal and screw in drain plug. • Use oil filter wrench, BMW No. 11 4 650 , to unscrew and remove the oil filter. • Coat sealing ring on new oil filter element with oil and screw in. • Add oil. • Insert and tighten the screw plug. • Check engine oil level with the motorcycle in a horizontal position; use the auxiliary stand, BMW No. 001550 . e Caution: Never add engine oil above the MAX mark. X Tightening torque: Oil filter………………………………………………… 11 Nm Oil drain plug………………………………………… 32 Nm Fill quantity for engine: With oil filter change.. 3.75 l (6.6 Imp. pints/3.96 US quarts) Without oil filter change.. 3.50 l (6.2 Imp. pints/3.69 US quarts) Oil volume between MIN and MAX marks……0.50 l (0.88 Imp. pint/0.52 US quart) Engine oil grade: Brand-name HD oil for four-stroke spark-ignition engine, API classifications SE, SF, SG; combination with CC or CD specification

BMW R65 Monolever Specifications

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Filed Under (BMW) by admin on 23-11-2010

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Engine Motor Type Bore x Stroke Displacement Max Power Max Torque Compression Ratio Valves Per Cylinder Valve Control Carburation System Engine Lubricating System Power Transmission Clutch Number of Gears ear Selection Gearbox Ratios Rear Wheel Ratio Bevel/Crownwheel Electrical System Ignition System Alternator Starter
Spark Plugs Four-stroke two cylinder horizontally opposed “Boxer” engine, air cooled 82 x 61.5 mm (3.22 x 2.42 in)
649.6 cc 48 hp (35 KW) at 7,250 rpm or 27 hp (20 Kw) at 5500 rpm 47.8 Nm / 35 ft lb at 3,500 rpm or 45.5 Nm / 33 ft lb at 3,500 rpm 8.7 : 1 or 8.4 : 1 2 OHV, using push rod and rocker arm 2 constant depression carburettors, Bing
64/32/359 – 64/32/360 or 64/26/317 – 64/26/318 Wet sump Dry single plate, with lever action diaphragm spring
5 Dog type gearbox (ratchet foot lever) 4.4 / 2.86 / 2.07 / 1.67 / 1.50