technical specification » Dirtbike

2011 Yamaha YZ85 Specs, Engine Features, and Overview

jess — Wed, 06 Apr 2011 16:21:00 +0000

2011 Yamaha YZ85 off-road motorcycle gets its power from a compact 2-stroke, 85cc crank case reed valve inducted, liquid-cooled engine. The 6-speed constant mesh gearbox delivers a motocross winning power. A slimline body design supported by the ultra-rigid, single backbone, semi-double cradle frame is lightweight, strong,and easy to ride. The Kabaya upside down fork and a swingarm (link) suspension offers front and rear adjustable fork / shock preload and rebound damping. Catering winning youth racers, the YZ85 motorcycle comes with a standard 17” front and 14” rear wheel with durable DID rims, or an optional 19” front and 16” rear large wheel models.

Below table outlines detailed information regarding the 2011 Yamaha YZ8 Specs (technical specification) and Data which cover engine system, power and torque, transmission, wheel, brakes, suspension, chassis, dimension and fuel requirements and specs.

Model Type
Country of Origin
ENGINE
Engine type
Stroke
Cylinder
Valves configuration
Displacement
Bore x Stroke
Compression ratio
Starter
Cooling system
Fuel Requirement
Fuel Delivery
Ignition
TRANSMISSION
Transmission Type
Number of speed
Gear ratio
Final drive
Clutch
WHEELS & TIRES
Wheels Type / Composition
Tube / Tubeless
Front Tire
Rear Tire
BRAKES & SUSPENSION
Front Brake
Rear Brake
Front suspension type
Rear suspension type
Suspension travel
Number of shock absorbers
DIMENSION & OTHER SPECS
Frame
Steering control
Overall Length
Overall Width
Overall Height
Seat Height
Seat Type
Ground clearance
Wheelbase
Wet Weight
Lubrication
Fuel tank capacity

: Off-road / cross
: Japan
:
: Single-Cylinder
: 2-Stroke
: 1
: Reed Valve
: 84.7 cc (5.2 cu.in.)
: 1.87 x 1.89 in.
: 8.2:1
: Kick
: Liquid
: Gas / Oil Premix
: Keihin® PWK 28
: CDI
:
: Manual, Constant mesh
: 6
: 2.45 / 1.88 / 1.53 / 1.29 / 1.13 / 1
: Chain
: Wet, multi-plate
;
: Aluminum
: Tubed
: Dunlop® 70/100 R17
: Dunlop® 90/100 R14
:
: 220mm Hydraulic disc
: 190mm Hydraulic disc
: Inverted Fork, fully adjustable
: Twin Sided Swing Arm, Single shock, fully adjustable
: 10.8 in. – front , 11.1 in. – rear
: 1
:
: Steel, Semi double-cradle, Single backbone
: Handlebar
: 71.7 in.
: 29.8 in.
: 45.7 in.
: 34.0 in.
: One-piece, driver only, vinyl gripper seat
: 13.8 in.
: 49.5 in.
: 156 lb.
: Dry sump
: 1.3 gal. (4.92 liter)

2011 Yamaha YZ250 Specs, Engine Features, and Video

jess — Wed, 06 Apr 2011 12:52:00 +0000

The 2011 Yamaha YZ250 is a race and dirt track ready 2-stroke off-roader. Engine is a 249 cc, liquid cooled, carbon fiber reed valve inducted, two-stroke, single-cylinder engine mated to a smooth shifting 5-speed close ratio transmission. It features wave style rotors, YPVS power valve system that offers solid low rpm power and strong punch, Keihin PWK38 carburetor with power jet and throttle position sensor (TPS), digital CD ignition system, large capacity dual radiator, and adjustable work style clutch lever. The bike’s built on a light aluminum frame and hydroformed swingarm. Design details include ProTaper aluminum handlebar, titanium footpegs with good ground clearance, Excel wheel rims, flat gripper seat, and repackable exhaust silencer.

Below table outlines detailed information regarding the 2011 Yamaha YZ250 Specs (technical specification) and Data which cover engine system, power and torque, transmission, wheel, brakes, suspension, chassis, dimension and fuel requirements and specs.

Model Type
Country of Origin
ENGINE
Engine type
Stroke
Cylinder
Valves configuration
Displacement
Bore x Stroke
Compression ratio
Starter
Cooling system
Fuel Requirement / System
Ignition
TRANSMISSION
Transmission Type
Number of speed
Final drive
Gear ratio
Clutch
WHEELS & TIRES
Wheels Type / Composition
Tube / Tubeless
Front Tire
Rear Tire
BRAKES & SUSPENSION
Front Brake
Rear Brake
Front suspension type
Rear suspension type
Suspension travel
Number of shock absorbers
Rear suspension material
DIMENSION & OTHER SPECS
Frame
Steering control
Overall Length
Overall Width
Overall Height
Seat Height
Seat Type
Ground clearance
Wheelbase
Wet Weight
Lubrication
Fuel tank capacity

: Off-road / Motocross
: Japan
:
: Single-Cylinder
: 2-Stroke
: 1
: Reed Valve
: 249 cc (15.2 cu.in.)
: 2.62 in. x 2.84 in.
: 8.9~10.6:1
: Kick
: Liquid
: Gas,Oil Premix / Keihin® PWK38S
: CDI
:
: Manual, Constant-mesh
: 5
: Chain
: 1.93 / 1.53 / 1.28 / 1.09 / 0.95
: Wet, heavy-duty multiple disc
;
: Excel®, Aluminum
: Tubed
: Dunlop® 80/100 R21
: Dunlop® 110/90 R19
:
: 250mm Hydraulic disc
: 245mm Hydraulic disc
: Kabaya, Speed-sensitive Inverted Fork, Fully adjustable
: Kabaya, Twin Sided Swing Arm, Fully adjustable single shock
: 11.8 in. – front , 12.4 in. – rear
: 1
: Aluminum
:
: Semi double cradle, Lightweight aluminum
: Handlebar
: 85.7 in.
: 32.6 in.
: 51.4 in.
: 39.1 in.
: One-piece, driver
: 15.0 in.
: 58.3 in.
: 227 lbs.
: Dry sump
: 2.1 gallon

Watch the 2011 Yamaha YZ250 Video on YouTube.com

Yamaha XT125R Specs (2009)

jess — Fri, 28 Nov 2008 07:20:37 +0000

Yamaha XT125R has Air-cooled, 4-stroke, monocylinder, SOHC with total displacement 124cc. Featuring long-travel suspension, 21-inch front wheel, this bike produces plenty of smooth pulling power for endless fun in the dirt. The SOHC air-cooled single tries its hardest all the same. This motorcycle is helped particularly by its low weight – just 111kg. Find more information about Yamaha XT125R Specification in the following table.

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DIMENSION

Length	2,110 mm
Width	800 mm
Height	1,140 mm
Seat height	860 mm
Wheel base	1,335 mm
Minimum ground clearance	220 mm
Wet weight	120 kg

ENGINE

Engine type	Air-cooled, 4-stroke, monocylinder, SOHC
Displacement	124 cc
Bore x stroke	54.0 x 54.0 mm
Compression ratio	10.0 : 1
Maximum power	7.3 kW (10 PS) @ 8,250 rpm
Maximum torque	10.1 Nm (1.0 kg-m) @ 5,500 rpm
Lubrication system	Wet sump
Fuel System	Carburettor Mikuni type 3D6
Clutch type	Wet, multiple disc
Ignition system	CDI
Starter system	Electric and kick
Transmission system	Constant mesh, 5-speed
Final transmission	Chain
Fuel tank capacity	9 L
Oil tank capacity	1.2 L

CHASSIS

Chassis	Diamond shaped
Front suspension system	Telescopic forks
Front travel	170 mm
Rear suspension system	Swingarm
Rear travel	190 mm
Caster angle	28°
Trail	114.4 mm
Front brake	Single disc, Ø 245 mm
Rear brake	Single disc, Ø 220 mm
Front tyre	90/90-21 54S
Rear tyre	120/80-18 62S

KTM 690 Enduro Specs (2009)

jess — Sun, 23 Nov 2008 06:34:27 +0000

KTM 690 Enduro has single cylinder, 4-stroke engine with total displacement 654cc which generate 64 Nm torque at 6000 rpm. Features such as the APTC slipper clutch and a three-position-switchable mapping system allow the Enduro to not only perform well off-road but make it quite nice on it as well. The high-grade fork and shock absorber made by WP are fully adjustable. With the new setting, smoother response with maximum shock-absorbing reserves for rugged off-rad action and increase driving comfort. Find more information about KTM 690 Enduro Specification in the following table.

ENGINE

Engine type	Single cylinder, 4-stroke
Displacement	654 cc
Bore x stroke	102 / 80 mm (4.02 / 3.15″)
Performance (homologated)	46.3 kW / 7500 rpm
Max. torque	64 Nm / 6000 rpm
Compression ratio	11.8:1
Starter/Battery	E-Starter / 12 V 8.6 Ah
Transmission	6 gears, dog clutch engagement
Fuel Mixture Generation	Keihin EMS with EPT (Electr. Power Throttle)
Control	4 V / OHC with roller rocker arms
Lubrication	Pressure lubrication with 2 Eaton pumps
Engine lubrication	Motorex, fully synthetic, SAE 10W-60
Primary ratio	36:79
Final drive	15:45
Cooling	Liquid cooled
Clutch	Wet multi-disc clutch, operated hydraulically
Ignition	Keihin EMS with EPT (Electr. Power Throttle)

CHASSIS

Frame	Chromium-Molybdenum trellis frame, powder coated
Subframe	Self-supporting plastic tank
Handlebar	Aluminium Ø 28 / 22 mm (1.10 / 0.87″), tapered
Front Suspension	WP USD Ø 48 mm (1.89″)
Rear Suspension	WP mono shock with Pro Lever Linkage
Suspension travel front/rear	250 / 250 mm (9.84 / 9.84″)
Front brake	Brembo two piston, floating caliper, brake disc Ø 300 mm
Rear brake	Brembo single piston, floating caliper, brake disc Ø 240 mm
Rims, front/rear	Spoked wheels with aluminium rims 1.85 x 21” / 2.50 x 18”
Tires, front/rear	90/90-21″; 140/80-18″
Chain	X-ring chain 5/8 x 1/4″
Main Silencer	Stainless steel silencer with regulated catalytic converter
Steering head angle	63°
Trail	115 mm (4.53″)
Wheel base	1498 ± 15 mm (58.98 ± 0.59″)
Ground clearance (unloaded)	300 mm (11.81″)
Seat height	910 mm (35.83″)
Tank capacity	approx. 12 liters (3.17 gal) / 2.5 liters reserve (0.66 gal)
Weight (ready to race)	approx. 138.5 kg (305.4 lbs)

KTM 530 EXC Specs (2009)

jess — Sun, 23 Nov 2008 02:00:06 +0000

KTM 530 EXC has single cylinder, 4-stroke engine with displacement reach 510.4 cc. This engine equipped with large airbox volume which ensures huge amounts of power and a perfect outer contour provides optimum knee purchase. The frame made with wide profiles and high grade aluminium, optimum stability and low weight. The overhauled WP PDS shock absorber with rebound adjustment and adjustable high/low speed compression damping, guarantees optimum adaptation to the variety of condition. Find more information about KTM 530 EXC Specification in the following table.

ENGINE

Engine type	Single cylinder, 4-stroke
Displacement	510.4 cc
Bore x stroke	95 x 72 mm (3.74 x 2.83″)
Compression ratio	11.9:1
Starter	Kick- and electric starter/12V 4Ah
Transmission	6 gears
Carburetor	Keihin FCR-MX 39
Control	4 V/OHC with roller rocker levers
Lubrication	Pressure lubrication with 3 oil pumps
Engine lubrication	Motorex, SAE 10W-50
Transmission oil	Motorex, SAE 10W-50
Primary ratio	33:76
Final drive	15:45 (13:52)
Cooling	Liquid cooled
Clutch	Wet multi-disc clutch, operated hydraulically
Ignition	Kokusan digital

CHASSIS

Frame	Central double-cradle-type 25CrMo4 steel
Subframe	Aluminium 7020
Handlebar	Neken, Aluminium Ø 28/22 mm (1.10/0.87″)
Front Suspension	WP USD Ø 48 mm (1.89″)
Rear Suspension	WP PDS shock absorber
Suspension travel front/rear	300/335 mm (11.81/13.19″)
Brakes, front/rear	Disc brakes Ø 260/220 mm (10.24/8.66″)
Rims, front/rear	1.60 x 21″; 2.15 x 18″ Excel
Tires, front/rear	90/90-21″; 120/90-18″
Chain	X-ring chain 5/8 x 1/4″
Silencer	Aluminium
Steering head angle	63.5°
Wheel base	1475 ± 10 mm (58.0 ± 0.39″)
Ground clearance	380 mm (15″)
Seat height	985 mm (38.78″)
Tank capacity	approx. 9 liters (2.38 gal)
Weight (ready to race)	approx. 113.9 kg (251.11 lbs)

KTM 450 EXC Specs (2009)

jess — Sun, 23 Nov 2008 01:49:13 +0000

KTM 450 EXC has single cylinder, 4-stroke with total displacement 449.3 cc. The 39 mm Keihin flat side carburetor uses an accelerator pump and side potentiometer to produce instant throttle response and high-end performance for all four-stroke models. An optimized cold start setting also improves starting at low temperatures. Find more information about KTM 450 EXC Specification in the following table.

ENGINE

Engine type	Single cylinder, 4-stroke
Displacement	449.3 cc
Bore x stroke	95 / 63.4 mm (3.74 / 2.5″)
Compression ratio	11.9:1
Starter	Kick- and electric starter/12V 4Ah
Transmission	6 gears
Carburetor	Keihin FCR-MX 39
Control	4 V/OHC with roller rocker levers
Lubrication	Pressure lubrication with 3 oil pumps
Engine lubrication	Motorex, SAE 10W-50
Transmission oil	Motorex, SAE 10W-50
Primary ratio	33:76
Final drive	15:45 (13:52)
Cooling	Liquid cooled
Clutch	Wet multi-disc clutch, operated hydraulically
Ignition	Kokusan

CHASSIS

Frame	Central double-cradle-type 25CrMo4 steel
Subframe	Aluminium 7020
Handlebar	Neken, Aluminium Ø 28/22 mm (1.10/0.87″)
Front Suspension	WP USD Ø 48 mm (1.89″)
Rear Suspension	WP PDS shock absorber
Suspension travel front/rear	300/335 mm (11.81/13.19″)
Brakes, front/rear	Disc brakes Ø 260/220 mm (10.24/8.66″)
Rims, front/rear	1.60 x 21″; 2.15 x 18″ Excel
Tires, front/rear	90/90-21″; 120/90-18″
Chain	X-ring chain 5/8 x 1/4″
Silencer	Aluminium
Steering head angle	63.5°
Wheel base	1475 ± 10 mm (58.0 ± 0.39″)
Ground clearance	380 mm (15″)
Seat height	985 mm (38.78″)
Tank capacity	approx. 9 liters (2.38 gal)
Weight (ready to race)	approx. 113.9 kg (251.11 lbs)

KTM 400 EXC Specs (2009)

jess — Sat, 22 Nov 2008 08:52:38 +0000

KTM 400 EXC is equipped with single cylinder, 4-stroke and total displacement reach 393.4 cc has considerable more torque and extremely uniform power delivery even at lower speeds. Ergonomic tank for ideal contact with the bike. Special KTM airflow system with ducts beneath the spoilers for an optimum fresh air supply to the airbox. Another advantage for racing: transparent polyethylene lets you see the fuel level from the outside. Find more information about KTM 400 EXC specification in the following table.

ENGINE

Engine type	Single cylinder, 4-stroke
Displacement	393.4 cc
Bore x stroke	89/64 mm (3.5/2.52″)
Compression ratio	11.1:1
Starter	Kick- and electric starter/12V 4Ah
Transmission	6 gears
Carburetor	Keihin FCR-MX 39
Control	4 V/OHC with roller rocker levers
Lubrication	Pressure lubrication with 3 oil pumps
Engine lubrication	Motorex, SAE 10W-50
Transmission oil	Motorex, SAE 10W-50
Primary ratio	33:76
Final drive	15:45 (13:52)
Cooling	Liquid cooled
Clutch	Wet multi-disc clutch, operated hydraulically
Ignition	Kokusan

CHASSIS

Frame	Central double-cradle-type 25CrMo4 steel
Subframe	Aluminium 7020
Handlebar	Neken, Aluminium Ø 28/22 mm (1.10/0.87″)
Front Suspension	WP USD Ø 48 mm (1.89″)
Rear Suspension	WP PDS shock absorber
Suspension travel front/rear	300/335 mm (11.81/13.19″)
Brakes, front/rear	Disc brakes Ø 260/220 mm (10.24/8.66″)
Rims, front/rear	1.60 x 21″; 2.15 x 18″ Excel
Tires, front/rear	90/90-21″; 120/90-18″
Chain	X-ring chain 5/8 x 1/4″
Silencer	Aluminium
Steering head angle	63.5°
Wheel base	1471 ± 10 mm (57.91 ± 0.39″)
Ground clearance	380 mm (15″)
Seat height	985 mm (38.78″)
Tank capacity	approx. 9 liters (2.38 gal)
Weight (ready to race)	approx. 113.9 kg (251.11 lbs)

KTM 300 EXC Specs (2009)

jess — Sat, 22 Nov 2008 08:35:46 +0000

Having single cylinder, 2-stroke, 293 cc engine, the KTM 300 EXC, presents the ideal combination of light weight and incredible torque, guaranteed with a comfortable electric starter. A powerpack which awaits the chance to stand up to the most brutal hardcore Enduro events such as Erzberg or Hell’s Gate. It convinces with many unbeatable assets both in racing and in the hardest of cross-country touring. Find more information about KTM 300 EXC Specification in the following table.

ENGINE

Engine type	Single cylinder, 2-stroke
Displacement	293.2 cc
Bore x stroke	72/72 mm (2.83″ / 2.83″)
Starter	Kick- and electric starter / 12V 3 Ah
Transmission	5 gears
Carburetor	Keihin PWK 36 S AG
Control	Exhaust control TVC
Lubrication	Mixture oil lubrication 1:60
Transmission oil	Motorex, SAE 15W-50
Primary ratio	26:72
Final drive	13:40 (14:50)
Cooling	Liquid cooled
Clutch	Wet multi-disc clutch, operated hydraulically
Ignition	Kokusan

CHASSIS

Frame	Central double-cradle-type 25CrMo4 steel
Subframe	Aluminium 7020
Handlebar	Neken, Aluminium Ø 28/22 mm (1.10/0.87″)
Front Suspension	WP USD Ø 48 mm (1.89″)
Rear Suspension	WP PDS shock absorber
Suspension travel front/rear	300/335 mm (11.81/13.19″)
Brakes, front/rear	Disc brakes Ø 260/220 mm (10.24/8.66″)
Rims, front/rear	1.60 x 21″; 2.15 x 18″ Excel
Tires, front/rear	90/90-21″; 120/90-18″
Chain	X-ring chain 5/8 x 1/4″
Silencer	Aluminium
Steering head angle	63.5°
Wheel base	1471 ± 10 mm (57.91 ± 0.39″)
Ground clearance	385 mm (15.16″)
Seat height	985 mm (38.78″)
Tank capacity	approx. 9.5 liters (2.51 gal)
Weight (ready to race)	approx. 100.8 kg (222.2 lbs)

KTM 250 EXC Dirtbike Specs (2009)

jess — Sat, 22 Nov 2008 08:28:52 +0000

KTM 250 EXC has single cylinder, 2-stroke and 249 cc engine with bore and stroke 66.4 mm and 72 mm respectively. The engines have been optimized down to the finest detail for Enduro racing. Powerful, with perfect power delivery and excellent durability. Ergonomic tank for ideal contact with the bike. Special KTM airflow system with ducts beneath the spoilers for an optimum fresh air supply to the airbox. Find more information about KTM 250 EXC specification in the following table.

ENGINE

Engine type	Single cylinder, 2-stroke
Displacement	249 cc
Bore x stroke	66.4/72 mm (2.61/2.83″)
Starter	Kickstarter
Transmission	5 gears
Carburetor	Keihin PWK 36 S AG
Control	Exhaust control TVC
Lubrication	Mixture oil lubrication 1:60
Transmission oil	Motorex, SAE 15W-50
Primary ratio	26:72
Final drive	13:40 (14:50)
Cooling	Liquid cooled
Clutch	Wet multi-disc clutch, operated hydraulically
Ignition	Kokusan

CHASSIS

Frame	Central double-cradle-type 25CrMo4 steel
Subframe	Aluminium 7020
Handlebar	Neken, Aluminium Ø 28/22 mm (1.10/0.87″)
Front Suspension	WP USD Ø 48 mm (1.89″)
Rear Suspension	WP PDS shock absorber
Suspension travel front/rear	300/335 mm (11.81/13.19″)
Brakes, front/rear	Disc brakes Ø 260/220 mm (10.24/8.66″)
Rims, front/rear	1.60 x 21″; 2.15 x 18″ Excel
Tires, front/rear	90/90-21″; 120/90-18″
Chain	X-ring chain 5/8 x 1/4″
Silencer	Aluminium
Steering head angle	63.5°
Wheel base	1471 ± 10 mm (57.91 ± 0.39″)
Ground clearance	385 mm (15.16″)
Seat height	985 mm (38.78″)
Tank capacity	approx. 9.5 liters (2.51 gal)
Weight (ready to race)	approx. 100.8 kg (222.2 lbs)

KTM 200 EXC Dirtbike Specs (2009)

jess — Sat, 22 Nov 2008 08:20:25 +0000

KTM 200 EXC has single cylinder, 2-stroke with displacement reach 193 cc. The cylinder unit us the main building block for the power of the engine. The special KTM Airflow System provides fresh intake air to the airbox at all times via ducts between the spoiler and tank. The spoiler also reduce the width in the front region by more then 10 mm for the benefit of ergonomics. The front openings discharge air from the coolers, the rear ones supply fresh air to the airbox with the KTM Air Flow System. Find more information about KTM 200 EXC specs in the following table.

ENGINE

Engine type	Single cylinder, 2-stroke
Displacement	193 cc
Bore x stroke	64/60 mm (2.52/2.36″)
Starter	Kickstarter
Transmission	6 gears
Carburetor	Keihin PWK 36 S AG
Control	Exhaust control
Lubrication	Mixture oil lubrication 1:60
Transmission oil	Motorex, SAE 15W-50
Primary ratio	23:73
Final drive	14:42 (13:50)
Cooling	Liquid cooled
Clutch	Wet multi-disc clutch, operated hydraulically
Ignition	Kokusan

CHASSIS

Frame	Central double-cradle-type 25CrMo4 steel
Subframe	Aluminum 7020
Handlebar	Neken, Aluminum Ø 28/22 mm (1.10/0.87″)
Front Suspension	WP USD Ø 48 mm (1.89″)
Rear Suspension	WP PDS shock absorber
Suspension travel front/rear	300/335 mm (11.81/13.19″)
Brakes, front/rear	Disc brakes Ø 260/220 mm (10.24/8.66″)
Rims, front/rear	1.60 x 21″; 2.15 x 18″ Excel
Tires, front/rear	90/90-21″; 120/90-18″
Chain	X-ring chain 5/8 x 1/4″
Silencer	Aluminum 125 EXC
Steering head angle	63°
Wheel base	1471 ± 10 mm (57.91 ± 0.39″)
Ground clearance	390 mm (15.35″)
Seat height	985 mm (38.78″)
Tank capacity	approx. 9.5 liters (2.51 gal)
Weight (ready to race)	approx. 97 kg (213.8 lbs)