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Big Bear 400 Semi-Auto 4x4
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- Make:
- YAMAHA
- Model:
- YFM400F
- Year:
- Current
REPUTATION COUNTS
In a serious work environment, respect doesn’t come cheaply, so when you’ve got a reputation as solid as the Big Bear 400, you know you’ve done okay.
Yamaha’s middleweight semi-automatic is a tough-as-nails workplace classic with the proven combination of 386cc air-/oil-cooled engine mated to a 5-speed, constant mesh transmission, with reverse.
Patented On-Command push-button switching provides fingertip access to either light steering 2wd or full traction 4wd – and should the going get really sticky… use the Diff Lock!
Factor in the superb trail holding of IRS (independent rear suspension), ventilated disc front and sealed wet brake rear stoppers, as well as full protective Grizzly bodywork and you’ve got one thing.
A rugged workday legend with the performance to match the reputation.
| Diff lock-equipped On-Command™ 2WD/4WD switching. Big Bear flicks from light steering 2WD to go-anywhere 4WD at the push of a button, and features Diff Lock so you can access full drive from your 4WD capability. |
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Big Bear’s plush, comfortable Independent Rear Suspension provides control and comfort, while a fully sealed oil bath rear wet brake allows long-lasting, outstanding stopping power even in the worst conditions.
For riders who crave ultimate control, a rugged 5-speed gearbox features a semi-automatic action and ultra-low ‘stump-pulling’ first gear. Naturally, there’s a reverse gear, so you can back out of what you get yourself into
FEATURES
♦ Simple yet powerful 386cc air/oilcooled, SOHC engine inhales through a heated, semi-oval slide 33mm BSR Mikuni® carburettor for seamless throttle response and excellent all weather performance.
♦ Independent rear suspension makes this one super-comfortable, while it makes even more terrain accessible.
♦ Large-capacity oil cooler with cooling fan helps maximise engine efficiency, even under heavy loads.
♦ Stainless steel muffler and header provide superior power characteristics, exhaust sound and unmatched durability.
♦ Wrinkle-finish cargo racks are superdurable and can pack a class-leading total of 119kg (40 front, 80 rear) of payload.
♦ Special compact frame design uses fewer components to reduce weight and provide lighter steering, a tighter turning radius and superior durability.
♦ Class-leading turning radius provides maximum manoeuvrability on tight trails and while working with heavy equipment.
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| ENGINE/IGNITION/TRANSMISSION | ||
| Type | Single cylinder , air-cooled, 4-stroke, SOHC, 2 valve | |
| Displacement - (cc) | 387 | |
| Bore Stroke - (mm) | 83.0 x 71.5 | |
| Compression | 8.6:1 | |
| Lubrication | Wet sump | |
| Fuel Management | Mikuni BSR33 | |
| Ignition | DC-CDI | |
| Starter | Electric / recoil | |
| Fueltank - (L) | 15 | |
| Oil Capacity - (L) | 3.5 | |
| Transmission | 5-speed automatic clutch w/reverse | |
| Final Transmission | Yamaha On-Command® push button 2WD, 4WD, shaft | |
| Instrumentation | Speedometer, odometer and fuel gauge | |
| Lighting | Dual 30W Krypton multireflector headlights and 21/5W brake light | |
| CHASSIS | ||
| Length - (mm) | 2016 | |
| Width - (mm) | 1116 | |
| Height - (mm) | 1187 | |
| Seat Height - (mm) | 895 | |
| Wheelbase - (mm) | 1230 | |
| Clearance - (mm) | 267 | |
| Wet Weight - (kg) | 285 kg with 15 litres of fuel | |
| Turning Circle (mm) | 3200 | |
| Towing Capacity (kg) | 410 | |
| Carrier Front/Rear - (kg) | 40kg front / 80kg rear | |
| FRONT END | ||
| Suspension Front | Independent double wishbone, w/5-way preload adjustment and 150mm travel | |
| Tyres Front | AT25 x 8-12 Chen Shin C828 | |
| Brakes Front | Dual hydraulic disc | |
| REAR END | ||
| Suspension Rear | Independent double wishbone, w/5-way preload adjustment and 150mm travel | |
| Tyres Rear | AT25 x 10-12 Chen Shin C828 | |
| Brakes Rear | Fully sealed, oil bath, multi discs | |
Current Agricultural ATV Brochure
(1,620 KB)
