clutch YAMAHA DT125R 2000 User Guide

5-4
OPERATION AND IMPORTANT RIDING POINTS
1
2
3
45
6
7
8
9
EAU00423
ShiftingThe transmission lets you control the
amount of power you have available
at a given speed for starting, acceler-
ating, climbing hills, etc. The use of
the shift pedal is shown in the illustra-
tion.
To shift into neutral, depress the shift
pedal repeatedly until it reaches the
end of its travel, then raise the pedal
slightly.
EC000048
cC8
8
Do not coast for long periods
with the engine off, and do not
tow the motorcycle a long dis-
tance. Even with gears in neu-
tral, the transmission is only
properly lubricated when the
engine is running. Inadequate
lubrication may damage the
transmission.
8 8
Always use the clutch when
changing gears. The engine,
transmission, and driveline are
not designed to withstand the
shock of forced shifting and
can be damaged by shifting
without using the clutch.
6
5
4
3
2
1 N
1
N.Neutral
1.Shift pedal
EAU02937
Recommended shift points
(for Switzerland only)The recommended shift points are
shown in the table below.
Acceleration shift point
km/h
1st ®2nd20
2nd ®3rd30
3rd ®4th40
4th ®5th50
5th ®6th60
NOTE:
When shifting two gears down from
5th to 3rd, bring your motorcycle to a
speed of 35 km/h.
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5-5
OPERATION AND IMPORTANT RIDING POINTS
1
2
3
45
6
7
8
9
EAU00424
Tips for reducing fuel
consumptionYour motorcycleÕs fuel consumption
depends to a large extent on your rid-
ing style. The following tips can help
reduce fuel consumption:
8Warm up the engine before rid-
ing.
8Turn off the starter (choke) as
soon as possible.
8Shift up swiftly and avoid high
engine speeds during accelera-
tion.
8Do not double-clutch or rev the
engine while shifting down and
avoid high engine speeds with
no load on the engine.
8Turn off the engine instead of let-
ting it idle for an extended length
of time, i.e. in traffic jams, at traf-
fic lights or railroad crossings.
EAU00436
Engine break-inThere is never a more important peri-
od in the life of your motorcycle than
the period between zero and 1,000
km. For this reason we ask that you
carefully read the following material.
Because the engine is brand new,
you must not put an excessive load
on it for the first 1,000 km. The vari-
ous parts in the engine wear and pol-
ish themselves to the correct operat-
ing clearances. During this period,
prolonged full throttle operation, or
any condition which might result in
excessive heating of the engine,
must be avoided.
EAU00453
0 ~ 500 km
Avoid operation above 6,000 r/min.
Stop the engine and let it cool for 5 to
10 minutes after every hour of opera-
tion. Vary the speed of the motorcy-
cle from time to time. Do not operate
it at one set throttle position.
500 ~ 1,000 km
Avoid prolonged operation above
7,000 r/min. Rev the motorcycle
freely through the gears, but do not
use full throttle at any time.
EC000060
cCAfter 1,000 km of operation, be
sure to replace the transmission
oil.
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6-3
PERIODIC MAINTENANCE AND MINOR REPAIR
1
2
3
4
56
7
8
9
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Periodic maintenance and lubrication chart
NOTE:
8The annual checks must be performed every year, except if a kilometer-based maintenance is performed instead.
8From 30,000 km, repeat the maintenance intervals starting from 6,000 km.
8Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and
technical skills.NO.ITEMCHECK OR MAINTENANCE JOBODOMETER READING (´ 1,000 km)
ANNUAL
CHECK
16121824
1
*Fuel line¥Check fuel hoses for cracks or damage.ÖÖÖÖÖ
2Spark plug¥Replace.ÖÖÖÖÖ
3Air filter element¥Clean.ÖÖ
¥Replace.ÖÖ
4*Battery¥Check electrolyte level and specific gravity.
¥Make sure that the breather hose is properly routed.ÖÖÖÖÖ
5Clutch¥Check operation.
¥Adjust.ÖÖÖÖÖ
6*Front brake¥Check operation, fluid level and vehicle for fluid leakage.
(See NOTE on page 6-5.)ÖÖÖÖÖÖ
¥Replace brake pads.Whenever worn to the limit
7*Rear brake¥Check operation, fluid level and vehicle for fluid leakage.
(See NOTE on page 6-5.)ÖÖÖÖÖÖ
¥Replace brake pads.Whenever worn to the limit
8*Brake hoses¥Check for cracks or damage.ÖÖÖÖÖ
¥Replace. (See NOTE on page 6-5.)Every 4 years
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6-12
PERIODIC MAINTENANCE AND MINOR REPAIR
1
2
3
4
56
7
8
95.Fill the engine with sufficient oil
to reach the specified level.
Install the oil filler cap and tight-
en it.
EC000079
cCDo not put in any chemical addi-
tives. Transmission oil also lubri-
cates the clutch and additives
could cause clutch slippage.6.Start the engine and warm up for
a few minutes. While warming
up, check for oil leakage. If oil
leakage is found, stop the engine
immediately and check for
cause. Recommended oil:
See page 8-1.
Oil quantity:
Total amount: 0.8 L
Periodic oil change: 0.75 L
1
Transmission oil replacement
1.Warm up the engine for several
minutes.
2.Stop the engine. Place an oil pan
under the engine to catch the oil
and remove the oil filler cap.
3.Remove the drain bolt and drain
the oil.
4.Install the drain bolt and tighten it
to the specified torque.1.Drain bolt
Tightening torque:
Drain bolt:
15 Nm (1.5 m
0kg)
1
2.With the engine stopped, check
the oil level through the level
window located at the right side
crankcase cover.NOTE:
Wait a few minutes until the oil level
settles before checking.3.The oil level should be between
the maximum and minimum level
on the level window. If the level
is low, add sufficient oil to raise it
to the specified level.1.Oil filler cap
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6-21
PERIODIC MAINTENANCE AND MINOR REPAIR
1
2
3
4
56
7
8
9
3
12b
a
EAU00694
Clutch lever free play
adjustmentThe clutch lever free play should be
adjusted to 10 ~ 15 mm.
1.Loosen the locknut at the clutch
lever.
2.Turn the adjusting bolt at the
clutch lever in direction ato
increase free play or in direction
bto decrease free play.
3.Tighten the locknut at the clutch
lever.
If the specified free play cannot be
obtained, proceed with the following
steps.1.Locknut
2.Adjusting bolt
3.Free play
ab 12
4.Loosen the locknut at the clutch
lever.
5.Turn the adjusting bolt at the
clutch lever in direction ato
loosen the cable.
6.Loosen the locknut at the
crankcase side.
7.Turn the adjusting nut at the
crankcase in direction ato
increase free play or in direction
bto decrease free play.
8.Tighten the locknut at the
crankcase and the clutch lever.1.Locknut
2.Adjusting nut
3
2
1b
a
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Front brake lever free play
adjustmentThe free play at the front brake lever
should be 2 ~ 5 mm.
1.Loosen the locknut.
2.Turn the adjusting bolt in direc-
tion ato increase free play or in
direction bto decrease free
play.
3.After adjusting, tighten the lock-
nut.1.Locknut
2.Adjusting bolt
3.Free play
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6-28
PERIODIC MAINTENANCE AND MINOR REPAIR
1
2
3
4
56
7
8
9
EAU00774
Autolube pump adjustmentThe autolube pump is a vital part of
the engine and requires very sophisti-
cated adjustment.
Adjusting should be left to a Yamaha
dealer who has the professional
knowledge and experience to do so.
EAU02984
Brake and shift pedal
lubricationLubricate the pivoting parts.
EAU02985
Brake and clutch lever
lubricationLubricate the pivoting parts.
Recommended lubricant:
Engine oil
Recommended lubricant:
Engine oil
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SPECIFICATIONS
8-2
1
2
3
4
5
6
78
9
Carburetor
Type ´ quantityTM28SS ´ 1
ManufacturerMIKUNI
Spark plug
Manufacturer / typeNGK / BR9ES
NGK / BR8ES (CH, A only)
Spark plug gap0.7 ~ 0.8 mm
Clutch typeWet, multiple-disc
Transmission
Primary reduction systemHelical gear
Primary reduction ratio71/22 (3.227)
Secondary reduction systemChain drive
Secondary reduction ratio57/16 (3.563)
Transmission typeConstant mesh 6-speed
OperationLeft foot operation
Gear ratio1st2.833
2nd1.875
3rd1.412
4th1.143
5th0.957
6th0.818Chassis
Frame typeSemi double cradle
Caster angle27¡30Õ
Trail113 mm
Tire
TypeWith tube
Front
Size2.75-21 45P
Manufacturer/BRIDGESTONE / TW25
model
Rear
Size4.10-18 59P
Manufacturer/BRIDGESTONE / TW44
model
Maximum load*180 kg
178 kg (CH, A only)
Air pressure (cold tire)
up to 90 kg load*
Front125 kPa (1.25 kg/cm
2, 1.25 bar)
Rear150 kPa (1.50 kg/cm2, 1.50 bar)
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