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Maltje
Berbagi cara perawatan BMW tua (R25, R26, R27, R55, Dst)
ini thread yang dibuat bagi penggemar motor legendaris BMW
sebagian banyak yang gue ambil dari forum sebelah,
tapi berhubung asalnya gue adalah kaskuser, gue bagi juga di sini emoticon-I Love Kaskus

grup pesbuk, CLASSIC BMW LOVERS : http://www.facebook.com/group.php?gid=5525225207


berhubung gue punya BMW R25/3
jadi spek pertama yang gue kasih BMW R25/3 dulu aja ya emoticon-Embarrassment
sumber: http://www.bmbikes.co.uk/bmwmodels.htm

BMW R25/3 Specification
Berbagi cara perawatan BMW tua (R25, R26, R27, R55, Dst)

  • Start of Production : 1953
  • End of Production : 1956
  • Numbers Produced : 47,700
  • Price : 2,060 DM


Engine
  • Internal Designation : 224/4
  • Motor Type : Four-stroke single cylinder vertical
  • Bore x Stroke : 68 x 68 mm (2.67 x 2.67 in)
  • Displacement : 247 cc
  • Max Power : 13 hp at 5,800 rpm
  • Compression Ratio : 7.0 : 1
  • Valves: OHV
  • Carburation System : 1 x Bing type 1/24/41 or SAWE type K 24 F
  • Engine Lubricating System : Forced feed lubrication
  • Oil Pump : Gear pump


Power Transmission\t
  • Clutch : Single plate, dry
  • Number of Gears : 4
  • Shifting : Foot switching (+ auxiliary manual switch on gearing block)
  • Gearbox Ratios : 6.1 / 3.0 / 2.04 / 1.54
  • Rear Wheel Ratio : 4.16 : 1 (with sidecar 4.8 : 1)
  • Bevel/Crownwheel : 6 / 25 teeth (with sidecar 5 / 24)


Electrical System\t
  • Ignition System : Battery ignition
  • Generator : Noris ZLZ 60/6/1600 L
  • Spark Plugs : Bosch W 240 T1


Chassis
  • Designation : 225/3
  • Frame : Closed steel twin loop frame, welded
  • Front wheel suspension : Telescopic fork
  • Rear wheel suspension : Telescopic suspension
  • Wheel rims : 3 x 18 deep bed
  • Tyres, Front : 3.25 x 18
  • Tyres, Rear : 3.25 x 18
  • Brakes, Front : Drum brake 160 mm / 6.29 in diameter
  • Brakes, Rear : Drum brake 160 mm / 6.29 in diameter


Dimensions/Weights\t
  • Length x Width x Height : 2065 x 760 x 730 mm (81.29 x 29.92 x 28.74 in)
  • Wheel Base : 1365 mm / 53.74 in
  • Fuel Tank Capacity : 12 litres / 2.63 gal / 3.17 gal US
  • Unladen Weight with Full Tank : 150 Kg / 330 lb
  • Permitted Weight Limit : 320 Kg / 704 lb (with original sidecar 450Kg / 991 lb)
  • Clearance : 92 mm / 3.62 in
  • Idle/Riding Noise : 82/84 phon
  • Fuel Consumption : Approx. 2.9 litres per 100 Km / 97 mpg / 81 mpg US
  • Oil Consumption : Approx. 0.7 litres per 1,000 Km
  • Top Speed : 119 Kph / 73 mph (with original sidecar 88 Kph / 54 mph)






BMW R25/2 Specification
Berbagi cara perawatan BMW tua (R25, R26, R27, R55, Dst)

  • Start of Production : 1951
  • End of Production : 1953
  • Numbers Produced : 38,651
  • Price : 1,990 DM


Engine\t
  • Internal Designation : 224/3
  • Motor Type : Four-stroke single cylinder vertical
  • Bore x Stroke : 68 x 68 mm (2.67 x 2.67 in)
  • Displacement : 247 cc
  • Max Power : 12 hp at 5,800 rpm
  • Compression Ratio : 6.5 : 1
  • Valves : OHV
  • Carburation System : 1 x Bing type 1/22/44 or SAWE type K 22 F
  • Engine Lubricating System : Forced feed lubrication
  • Oil Pump : Gear pump : Power Transmission
  • Clutch : Single plate, dry
  • Number of Gears : 4
  • Shifting : Foot switching (+ auxiliary manual switch on gearing block)
  • Gearbox Ratios : 6.1 / 3.0 / 2.04 / 1.54
  • Rear Wheel Ratio : 4.5 :1 (with sidecar 5.14 :1)
  • Bevel/Crownwheel : 6 / 27 teeth (with sidecar 7 / 36)


Electrical System
  • Ignition System : Battery ignition
  • Generator : Noris ZLZ 45/60; 6V/max. 60 W
  • Spark Plugs : Bosch W 240 T1


Chassis
  • Designation : 225/2
  • Frame : Closed steel twin loop frame, welded
  • Front wheel suspension : Telescopic fork
  • Rear wheel suspension : Pushrod suspension
  • Wheel rims : 3 x 19 deep bed
  • Tyres, Front : 3.25 x 19
  • Tyres, Rear : 3.25 x 19
  • Brakes, Front : Drum brake 160 mm / 6.29 in diameter
  • Brakes, Rear : Drum brake 160 mm / 6.29 in diameter


Dimensions/Weights
  • Length x Width x Height : 2020 x 790 x 730 mm (Saddle) (79.52 x 31.10 x 28.74 in)
  • Wheel Base : 1335 mm / 52.55 in
  • Fuel Tank Capacity : 12 litres / 2.63 gal / 3.17 gal US
  • Unladen Weight with Full Tank : 142 Kg / 312 lb
  • Permitted Weight Limit : 300 Kg / 660 lb (with sidecar 375 Kg / 825lb)
  • Clearance : 108 mm / 4.25 in
  • Idle/Riding Noise : 84/85 phon
  • Fuel Consumption : Approx. 2.9 litres per 100 Km / 97 mpg / 81 mpg US
  • Oil Consumption : Approx. 0.7 litres per 1,000 Km
  • Top Speed : 105 Kph / 65 mph (with original sidecar 80 Kph / 49 mph)




segitu dulu ya gan...
tolong pesen dulu postingan bawah ya, buat apdet emoticon-Embarrassment
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Bumsi
#725
Modifikasi Coil R26
Maaf numpang nanya, saya ada lungsuran R26 yang lagi direstorasi sedikit2.

Karena motornya lagi suka mati kalau mesin panas lagi diurut masalahnya dimana. Ada dua temuan:

1. Kabel outgoing dari generator tinggal satu serabut alias sudah mau putus. Apakah berpengaruh ke pengapian? Menurut saya seharusnya tidak.

2. Ternyata busi tersambung ke coil beukura besar dibawah tangki bensin seperti umumnya pada R27, bukan pada coil didalam rumah rotor. Apakah modifikasi seperti ini memang umum? Kalau umum apa saja yang biasanya diubah oleh para mekanik. Saya butuh informasi supaya jelas trouble shootingnya.

Terima kasih,
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