Honda NSR 250R MC21 (1992-93)

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The Honda NSR 250R MC21 was a two-stroke motorcycle built in 1992-93. It had a 249cc V-twin engine with a 90-degree angle and reed valve/exhaust valve. The bike was liquid-cooled and had a compression ratio of 7.3:1. The TA20 carburetor type and separate pump lubrication made this bike stand out from others. Additionally, it had an aluminum tube frame, 41mm semi-adjustable front suspension, and Pro-Link single shock swingarm non-adjustable rear suspension. The bike had 2x discs, 2 piston calipers for front brakes and a single disc, 1 piston caliper for rear brakes, and a constant mesh 6-speed transmission with a chain final drive. The NSR 250R MC21 had a dry weight of 132 kg / 291.8 lbs and a wet weight of 151 kg / 337 lbs. The fuel capacity of the bike was 16 liters / 4.2 US gal. The bike had a max power of 45 hp / 32.8 kW @ 9500 rpm, and a max torque of 35 Nm / 25.8 ft-lbs @ 8500 rpm. The wheelbase was 1345 mm / 52.9 in, seat height 770 mm / 30.3 in, and ground clearance 135 mm / 5.3 in. The Honda NSR 250R MC21 was widely reviewed, with different types of reviews available, including type I, type II, technical, and nsr250.net. Overall it was a lightweight, high-performance motorcycle with advanced suspension and braking systems.

Technische Daten:

Make Model: Honda NSR 250R MC21

Year: 1992 – 93


Motor: Zweitakt, 90-Grad-V-Zweizylinder, Lamellenventil/Auslassventil
Fassungsvermögen: 249 c / 15,2 cu-in
Bohrung x Hub: 54 x 54,5 mm
Kühlsystem: Flüssigkeitsgekühlt
Verdichtungsverhältnis: 7,3: 1
Ansaugung: TA20 Vergaser Typ
Schmierung: Getrennte Pumpe (Motor) Spritzwasser (Getriebe)
Zündung: PGM-CDI
Start: Kick
Max. Leistung: 45 PS / 32,8 kW @ 9500 U/min
Maximales Drehmoment: 35 Nm / 25.8 ft-lb @ 8500 U/min
Kupplung: Lamellenkupplung, Schraubenfeder
Getriebe: Constant Mesh 6-Gang
Endantrieb: Kette
Getriebeübersetzung: 1.: 2,642 / 2.: 1,800 / 3.: 1,380 / 4.: 1,125 / 5.: 1,000 / 6.: 0,916

Rahmen: Aluminium Rohr Typ Rahmen
Vordere Federung: 41mm Teleskop-Luftventil halb einstellbar
Hintere Aufhängung: Hinten: Pro-Link Einzelschockschwinge nicht einstellbar
Bremsen vorne: 2x Scheiben 2-Kolben-Bremssättel
Hintere Bremsen: Einzelscheibe 1-Kolben-Bremssattel
Vorderreifen: 110/70-17 53 H
Hinterreifen: 150/60-R18 67 H
Rechen: 23 Grad15
Nachlauf: 87 mm / 3.4 in
Abmessungen: Länge 1975 mm / 77.7 in Breite 655 mm / 25.7 in Höhe 1060 mm / 41.7 in
Radstand: 1345 mm / 52.9 in
Sitzhöhe: 770 mm / 30.3 in
Bodenfreiheit: 135 mm / 5.3 in
Trockengewicht: 132 kg / 291.8 lbs
Nassgewicht: 151 kg / 337 lbs
Kraftstoffkapazität: 16 Liter / 4.2 US gal
Rückblick: Typ I / Typ II / Technisch / nsr250.net

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