Page 60 of 442
GEN
INFO
1 - 15
TORQUE-CHECK POINTS
TORQUE-CHECK POINTS
Engine mounting
Steering Steering shaft to
handlebar
Suspension Front Steering shaft to
front fork
Rear For link type
Rear Installation of shock
absorber
Rear Installation of swing-
arm
Wheel Installation of wheel Front
Rear
Brake Front
Rear
Fuel systemFrame to engine
Frame to engine bracket
Steering shaft to frame
Steering shaft to upper bracket
Upper bracket to handlebar
Front fork to upper bracket
Front fork to lower bracket
Assembly of links
Link to frame
Link to shock absorber
Link to swingarm
Shock absorber to frame
Tightening of pivot shaft
Tightening of wheel axle
Tightening of wheel axle
Wheel to sprocket
Camshaft lever to camshaft
Camshaft lever to camshaft
Fuel tank to fuel cock
NOTE:
Concerning the tightening torque, refer to
“MAINTENANCE SPECIFICATIONS” section
in the CHAPTER 2.
Page 68 of 442
SPEC
2 - 1
GENERAL SPECIFICATIONS
EC200000
SPECIFICATIONS
EC211000
GENERAL SPECIFICATIONS
Model name: TT-R125M
(USA-except for California, CDN, AUS, NZ)
TT-R125MC (USA for California)
TT-R125 (EUROPE)
Model code number: 5HP1 (USA-except for California)
5HP2 (USA for California, AUS, NZ, EUROPE)
5HP3 (CDN)
Dimensions: USA, AUS, NZ,
EUROPECDN
Overall length 1,830 mm (72.0 in) 1,865 mm (73.4 in)
Overall width 785 mm (30.9 in)
¬
Overall height 1,055 mm (41.5 in)
¬
Seat height 775 mm (30.5 in)
¬
Wheelbase 1,250 mm (49.2 in)
¬
Minimum ground clearance 265 mm (10.4 in)
¬
Basic weight:
With oil and full fuel tank 83 kg (183 lb)
Engine:
Engine type Air cooled 4-stroke, SOHC
Cylinder arrangement Single cylinder, forward inclined
Displacement 123.7 cm
3
(7.55 cu.in)
Bore
´
stroke 54.0
´
54.0 mm (2.126
´
2.126 in)
Compression ratio 10.0:1
Starting system Kickstarter
Lubrication system: Wet sump
Oil type or grade:
Engine oil (For USA and CDN)
At –10 ˚C (10 ˚F) or higher
Yamalube 4 (10W-30) or SAE 10W-30 type
SE motor oil
At 5 ˚C (40 ˚F) or higher
õ
Yamalube 4 (20W-40) or SAE 20W-40 type
SE motor oil
(Except for USA and CDN)
API “SE” or higher grade
2
Page 69 of 442
SPEC
2 - 2
GENERAL SPECIFICATIONS
Oil capacity:
Engine oil
Periodic oil change 1.0 L (0.88 Imp qt, 1.06 US qt)
Total amount 1.2 L (1.06 Imp qt, 1.27 US qt)
Air filter: Wet type element
Fuel:
Type Unleaded fuel (USA)
Regular unleaded gasoline (CDN, EUROPE)
Unleaded fuel only (AUS)
Regular gasoline (NZ)
Tank capacity 6.6 L (1.45 Imp gal, 1.74 US gal)
Reserve amount 1.9 L (0.42 Imp gal, 0.5 US gal)
Carburetor:
Type VM20SS
Manufacturer MIKUNI
Spark plug:
Type CR7HSA/U22FSR-U
Manufacturer NGK/DENSO
Gap 0.6 ~ 0.7 mm (0.02 ~ 0.03 in)
Clutch type: Wet, multiple-disc
Transmission:
Primary reduction system Gear
Primary reduction ratio 68/19 (3.578)
Secondary reduction system Chain drive
Secondary reduction ratio 49/13 (3.769)
Transmission type Constant mesh, 5-speed
Operation Left foot operation
Gear ratio: 1st 37/14 (2.642)
2nd 32/18 (1.777)
3rd 25/19 (1.315)
4th 23/22 (1.045)
5th 21/24 (0.875)
Chassis:
Frame type Diamond
Caster angle 28.7˚
Trail 93 mm (3.66 in)
Tire:
Type With tube
Size (front) 70/100-17 40M
Size (rear) 90/100-14 49M
Manufacturer (front and rear) CHENG SHIN
Tire pressure (front and rear) 100 kPa (1.00 kg/cm
2
, 15 psi)
2
Page 75 of 442
SPEC
2 - 8
MAINTENANCE SPECIFICATIONS
Crankshaft:
Crank width “A” 46.95 ~ 47.00 mm
(1.848 ~ 1.850 in)----
Runout limit “C” ---- 0.03 mm
(0.0012 in)
Big end side clearance “D” 0.15 ~ 0.45 mm
(0.0059 ~ 0.0177 in)0.5 mm
(0.02 in)
Clutch:
Friction plate thickness 2.92 ~ 3.08 mm
(0.115 ~ 0.121 in)2.8 mm
(0.110 in)
Quantity 5 ----
Clutch plate thickness 1.05 ~ 1.35 mm
(0.041 ~ 0.053 in)----
Quantity 4 ----
Warp limit ---- 0.2 mm
(0.008 in)
Clutch spring free length 33 mm (1.30 in) 31 mm
(1.22 in)
Quantity 4 ----
Clutch release method Inner push, cam push ----
Push rod bending limit ---- 0.5 mm
(0.020 in)
Shifter:
Shifter type Cam drum and guide bar ----
Kick starter:
Type Kick and mesh type ----
Kick clip friction force 6.4 ~ 13.2 N
(0.65 ~ 1.35 kg, 1.4 ~ 3.0 lb)----
Carburetor:
I.D. mark 5HP1 00 ----
Main jet (M.J) #105 ----
Main jet nozzle (N.J) N-6M ----
Main air jet (M.A.J) ø1.2 ----
Jet needle-clip position (J.N) 5HGM56-2 ----
Cutaway (C.A) 2.5 ----
Pilot air jet 1 (P.A.J.1) #80 ----
Pilot air jet 2 (P.A.J.2) #145 ----
Pilot outlet (P.O) ø1.05 ----
Pilot jet (P.J) #15 ----
Pilot air screw (example) (A.S) 2-1/2 ~ 3-1/2 turns out ----
Bypass (B.P)ø1.0----
Needle valve seat size (V.S) #1.8 ----
Starter jet 1 (G.S.1) #22.5 ----
Starter jet 2 (G.S.2) #1.2 ----
Fuel level (F.L) 6.0 ~ 7.0 mm (0.24 ~ 0.28 in) ----
Engine idle speed 1,300 ~ 1,500 r/min ----Item Standard Limit
