Honda Montesa Cota 301RR 2020

Honda has introduced the Montesa Cota 301RR. It is to replace the 300RR and is a true world championship bike.

Honda Montesa Cota 301RR 2020

That the trial bike is meant for the competition can also be recognized by the addition “RR”, which stands for Race Ready. It’s basically the same bike that  Gabriel Marcelli became World Champion in Trial2 .

The trial bike is made entirely at the Montesa Honda factory in Santa Perpetua de Mogoda (Barcelona).

The capacity has been increased from 288cc to 298cc, which corresponds to the maximum allowed capacity in the Trial2 World Championship. Pistons and cylinders were enlarged.

Some changes will also get the ECU. The crankcase decompression system has been redesigned and this reducing the engine brake significantly. It should feel much easier and more controllable. The crankcase breather has grown from 1.9 mm to 2.25 mm.

Changes to the engine and a redesigned aluminum silencer (the inner tube was enlarged) could increase the torque over the entire speed range (up to 16%).

Technical data of the Montesa COTA 301RR 20YM (competition version)

ENGINE:

  • single cylinder type
  • 4 stroke, 4 valves, SOHC, liquid cooling
  • displacement 298 cm3
  • Bore x stroke 81.5 × 57.5 mm
  • compression ratio 10.4: 1
  • idling speed 1,800 min-1
  • engine oil volume: 0.6 liters; Transmission: 0.57 liters

FUEL SYSTEM:

  • Power supply Electronic fuel injection PGM-FI
  • 28 mm butterfly diameter
  • Viscous air filter, urethane foam filter
  • 0 liter tank capacity

ELECTRICAL SYSTEM:

  • Ignition system Digital electronics transistorized
  • Turn on 25 ° APMS (idle) ~ 53 ° APMS (1.1000 min-1)
  • spark plug type CR6EH-9 (NGK)
  • Pedal start to primary transmission
  • ACG generator power 160 W

TRANSMISSION CABLE:

  • Wet multi-plate clutch with coil springs
  • Hydraulic clutch operation
  • 5-speed gear
  • Primary reduction 3,166 (57/18)
  • gear ratios: 1. 2,800 (42/15)
  • 2.384 (31/13)
  • 2.000 (30/15)
  • 1.272 (28/22)
  • 0.814 (22/27)
  • Final cut 4.100 (41/10)
  • Final drive roller chain # 520

FRAME:

  • Type Diamond Double Aluminum Carrier
  • Dimensions (L × W × H) 2,020 × 840 × 1,135 mm
  • Wheelbase 1,320 mm
  • Starting angle 24.5 °
  • feed 63 mm
  • Seat height 677 mm
  • Footrest height 390 mm
  • ground clearance 310 mm
  • dry weight 73 kg

SUSPENSION:

  • Front TECH telescopic fork 39 mm, adjustable in preload and reach. 175mm travel
  • Rear Pro Link system with SHOWA shock absorber, adjustable in preload, extendible. 170mm travel

BIKES:

  • Type aluminum rim / spokes
  • Tire size front 21 × 1.60
  • rear 18 × 2.15
  • Tire size front 2.75 – 21 (MICHELIN)
  • Rear 4.00 – 18 (MICHELIN)
  • Front tire pressure 39 – 44 kPa
  • Rear 29 – 34 kPa

BRAKES:

  • Front hydraulic disc 185 × 3 mm with 4-piston caliper and sintered metal pads
  • Rear hydraulic disc 150 × 3 mm double piston caliper and sintered metal pads
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