SPARTA 250cc JLO Twin 1955-1957

ENGINE : JLO M 2x125 cylinder capacity : 244 cc bore and stroke : 67 mm x 70 mm compression ratio : 7,2 : 1 power : 15,1 hp at 6000/rpm piston : flat, 3 pistonrings primary gears : 19 t x 44 T primary chain : 3/8" x 7/32", duplex secondary gears : 18 T x 42 T (1/2") secondary chain : 1/2" x 5/16" gears : 4 gear ratio : 1:1, 1,29:1, 1,77:1, 2,98:1 engine gear : 2,3:1 gear back wheel : 2,8:1 lubrication gearbox : SAE 30 lubrication clutch : SAE 30 carburator : BING 1/24/55 main jet size : 115 needle jet size : 1508 idle jet size : 35 needle adjustment : second gap from the top air jet : 1,5 turn open airfilter : 'Knecht' with steel-wool element electrical : Noris direct current dynamo MLZSN 2/60/6/1600R with automatic feed from the battery ignition timing : 3,5 mm before top dead centre contact breaker gap : 0,4 mm sparkplug (normal use) : - Lodge HH 14, Bosch W 225 T11, KLG F70, BZ C-70 sparkplug (fast driving) : - Lodge HH 14, Bosch W 240 T11, KLG F80, BZ C-80 electrode gap : 0,6 mm

FRAME seat(s) : buddyseat in two parts, adjustable tire sizes : front 16" x 3,25" back 16" x 3,25" tire pressure : front 1,3 atm. back 1,6 atm. (with passenger 1,9 atm) brakes : front � 180 mm back � 180 mm brake shoe : front 115 x 19 x 4 mm back 115 x 19 x 4 mm suspension : front telescope fork back swing-arm with shock-absorbers weight : 150 kg headlamp : Hella 160 NTZ, f 160 mm, lamp bulb 35/35W parking-lamp : 1,5W , in headlamp controle-lamp : 6V/2W speedo-meter lamp : 6V/0,6W in headlamp tail-lamp : Hella streamlined model with stoplight, above numberplate, lamp 5W stop-light : 6V/5W speedo-meter : VDO 'Sparta' in headlamp horn : electric horn petrol lubrication : 1:25 (running in 1:20), SAE 40-50 petrol consumption : 1:36 petrol tank displacement : 16 liter petrol tank, spare : 0,5 liter maximum speed : over 115/km hour colors : frame, mudguards, chain case and part of the petrol tank bordeaux-red (1955-1956), capri blue-green (1956-1958) or black (1957), front fork, swing-arm headlamp: silvergrey characteristics : handle bars in two pieces, in between a die-cast part with 'Sparta', front and back hubs with axle-shafts, big mudguards with streamlined ends, toolbox under the first seat, petrol tank with 'Sparta' knee-grips, closed chain case, brake rod on the back brake, two exhaust pipes with long exhaust silencers, number plate holder with Sparta emblem under the number plate (the same as on the petrol tank), jiffy and middle-stand tyre-pump, steering-column lock. Some modifications have taken place during the years of production. chrome plated : handlebars, exhaust, bottom end of front fork and shock absorbers, petrol tank, rims, strips on the cover on the side headlamp rim, handlebars accessories : chromed crash bar with protection plate, luggage rack. amount produced : 600 (1955: 300, 1956: 200 and 1957: 100)