dice que poniendo pistones de zx7 aumentamos la cilindrada
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| Especificaciones zxr 750 J http://foro.mundozxr.es/viewtopic.php?f=6&t=1381 |
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| Autor: | valero [ Jue Nov 24, 2016 7:40 am ] |
| Asunto: | Especificaciones zxr 750 J |
http://www.whitedogbikes.com/whitedogblog/1991-to-1992-kawasaki-zxr750-j-specs-and-info/ Engine and gearbox Displacement: 749cc (71 x 47.3mm) Engine type: In-line four cylinder Compression: 10.8:1 Power: 100 BHP Top speed: 143.5 mph Stroke: 4 Stroke Oil type: 10w40 Semi synthetic Oil filter: Filtrex OIF006 / Hiflo HF303 / Champion F301 Engine oil capacity: 3.2 litres Valves per cylinder: 4 (16 valves in total) Cam shafts: Double overhead cams (DOHC) Cooling system: Water cooled Cooling system capacity: 2 litres Clutch: Multi plate wet (oil submerged) hydraulic ‘slipper’ clutch Gearbox: 6 speed – 1st gear down, 2 to 6 up. Neutral between 1st and 2nd gears Gearbox lubrication: From engine (no separate gearbox oil) Carburetors: 38mm CVKD Carbs Air filter: Kawasaki part no: 11013-1210 Chain n’ Sprockets Final drive: Chain (530 pitch chain with 110 links) – Available as a kit Front sprocket teeth: 14 Rear sprocket teeth: 46 Servicing intervals Oil change: 10,000km (approx 6200 miles) or every 12 months Cooling system change: Every 24 months (2 years) Hydraulic brake fluid change: 20,000km (approx 12,400 miles) or every 24 months (2 years) Fork oil change: 30,000km (approx 18,600 miles) or every 36 months (3 years) Swing arm pivot and uni-track grease points: Grease every 10,000km (approx 6200 miles) or every 12 months Other grease points: Grease every 20,000km (approx 12,400 miles) or every 24 months (2 years) Brakes ‘n wheels Front brakes: Twin (dual) discs with 4 pot calipers (4 pistons per caliper) Front disc part numbers: EBC MD4022LS and MD4022RS Front brake pad part numbers: EBC FA158 Rear brake: Single disc with 2 pot caliper (2 pistons) Rear disc part number: MD4013 Rear brake pads part number: EBC FA161 Brake systems: Front and rear hydraulic brakes Front tyre size: 120/70-17 (3 spoke wheel) Rear tyre size: 180/55-17 (3 spoke wheel) Suspension stuff…. Front suspension: 43mm USD (upside down) Telescopic Forks Front fork oil: 445ml of 5w (light weight) fork oil per fork Rear suspension: Unitrack Monoshock Weights ‘n measures Dry weight: 195kg (dry weight) Wheelbase: 1420mm Fuel tank capacity: 18 litres Fuel type: Unleaded petrol Electrics ‘n stuff Ignition system: Electronic CDI Electrical system: 12 volts Battery: YTX12-BS / CTX12-BS Spark plugs: NGK CR9E Other stuff……. Starter: Electric starter motor Clutch: Hydraulic operated clutch (no cable) 1991 ZXR 750 J1 Useless stuff……. Launched in 1991 the Kawasaki ZXR750 J was based on the 1989 to 1990 ZXR 750 H1 and H2 race replica supersports bikes and there are still plenty of these beasties around today. The ZXR750 was a good bike in it’s day and was used for some racing series and although the ZXR out handled rivals like the GSXR750 and 1100 it was blown away a few years later (along with the FZR’s and GSXR’s) by the Honda Fireblade. The ZXR750 J was restricted to 100bhp due to an upcoming European 100bhp ban supposedly coming to Europe around the time the J model was launched, but, as with most European laws the BHP ban was scrapped and never came into force. Although the J model had less BHP then the earlier H models (107bhp) and the later K models (121bhp), the J model had good mid range power due to the lower brake horse power! Although the ZXR750 J model was based on the earlier H1 and H2 models, unfortunately there aren’t many parts that are interchangeable between the 2 bikes as there were numerous changes between the H and J models (including different forks, engine and bodywork). Buying advice……. There are a fair few of these bikes around and you can pick up a good example with MOT for under £1000 privately. Because of the racing history behind these bikes there are LOADS of ex-racers around (and racing mods like Harrison Billet 6 race calipers can be picked up for these bikes as well!). These bikes were built to take a knock on the track (with beefed up yokes and spindles etc) so lightly crashed bikes can often easily be repaired. Obviously, the youngest of these beasts will be around 20 years old now so the bikes do look a bit ‘long in the tooth’ and will have a few age related gremlins and they DON’T handle like more modern counterparts……. Parts to watch out for when buying….. Only parts to really check on the ZXR750 is the electrics (alternator, CDI etc) as these can be difficult to source. The radiators, which due to the racing design of the rad (curved) alot of the ZXR750 radiators were used on other racing bikes and good examples are difficult to get hold of now! And the upside down forks…. Unfortunately, upside down forks don’t fair well in the UK weather and, unless they’ve been rebuilt and the stanchions replaced they are likely to need work and parts. Performance mods……. Apart from the usual Dynojet and K and N filter type stuff there is a relatively simple engine mod if you want a bit more from your ZXR750. If you put ZX7 pistons in a ZXR750 (it will need a rebore though as of ZX7’s are a couple of mm’s bigger bore) will increase the CC to around 790cc. |
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| Autor: | Totylon [ Jue Nov 24, 2016 10:53 am ] |
| Asunto: | Re: Especificaciones zxr 750 J |
Juan, gracias por la información. Muy buen aporte. |
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| Autor: | valero [ Vie Nov 25, 2016 7:25 am ] |
| Asunto: | Re: Especificaciones zxr 750 J |
aqui podemos leer traducido Mods de rendimiento ....... Aparte de los habituales Dynojet y K y N tipo de filtro de cosas hay un motor relativamente simple mod si quieres un poco más de su ZXR750. Si usted pone ZX7 pistones en un ZXR750 (necesitará un rebore aunque como de ZX7 son un par de milímetro más grande diámetro) aumentará el CC a alrededor 790cc. |
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| Autor: | valero [ Vie Nov 25, 2016 7:25 am ] |
| Asunto: | Re: Especificaciones zxr 750 J |
dice que poniendo pistones de zx7 aumentamos la cilindrada
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| Autor: | mago [ Vie Nov 25, 2016 3:02 pm ] |
| Asunto: | Re: Especificaciones zxr 750 J |
Buen aporte valero,la pagina esta muy completa. Deja de trastear y de sacarle cilindrada a tus maquinas,que no vas a caber ya en la nave......... Un saludo. |
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| Autor: | Alfredo Pumares [ Sab Nov 26, 2016 10:45 pm ] |
| Asunto: | Re: Especificaciones zxr 750 J |
Buenas noches, Gracias Valero, conocemos mejor a nuestras J . . . Nos vemos |
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