Current status

’02 DR-Z400S (or DR-Z400SM or DR-Z400E  )
(The condition of the lightness.)
drz40001 2016-09-30-20-23-28

Rremoved parts and changed part

Near the handle

Replaced Meter and cable 702.0g => 152.5g = 549.5g
Replaced Handle weight and bolt 450.0g => 0g = 450.0g
Replaced Light and blinker 902.0g => 529.0g = 373.0g
Replaced Mirror(left) 287.0g => 27.0g = 260.0g
Replaced Mirror(right) 287.0g => 27.0g = 260.0g
Replaced Aluminum handle 880.0g => 744.0g = 136.0g
Ignition key 101.0g => 0g = 101.0g
Replaced Meter gear 120.6g => 47.3g = 73.3g
Warning lamp 72.0g => 0g = 72.0g
Brake hose clamp 31.2g => 9.7g = 21.5g
Clutch clamp cutting 22.5g => 14.1g = 8.4g
――――――――――――――――― ——– ——– ——–
Subtotal 2304.7g

 

Other

Replaced  Exhaust 5087.0g => 2180.0g = 2907.0g
Replaced small battery 3018.0g => 1050.0g = 1968.0g
Removed Tool Box 641.0g => 0g = 641.0g
Replaced Plastic tank 3120.0g => 2536.0g = 584.0g
Tail lamp and blinker 884.0g => 389.0g = 495.0g
Replaced ohlins 4542.0g => 4055.0g = 487.0g
Aluminum sprocket wheel 734.0g => 295.0g = 439.0g
Removed Cooling fan 398.0g => 0g = 398.0g
Removed tank 388.0g => 0g = 388.0g
A special air parts 372.0g => 6.0g = 366.0g
Removed Rear step(right) 393.0g => 32.0g = 361.0g
Removed Rear step(left) 333.0g => 0 g = 333.0g
Replaced Aluminum oil line 289.8g => 117.4g = 172.4g
Helmet key cylinder 170.0g => 0 g = 170.0g
Replaced Upper engine bracket 275.4g => 106.4g = 169.0g
Replaced Alarm whistle 240.5g => 109.9g = 130.6g
Replaced Snale Cam 545.0g => 416.0g = 129.0g
Rubber of foot peg 91.6g => 0 g = 91.6g
Side stand sensor 87.7g => 0 g = 87.7g
Carbon Chain guide 156.6g => 77.8g = 78.8g
Grinding 71.0g => 0 g = 71.0g
Front engine bracket 155.8g => 87.0g = 68.8g
Rear brake fluid tank 71.7g => 15.3g = 56.4g
Fuel cook base seat 50.0g => 0 g = 50.0g
Helmet key cylinder base 49.0g => 0 g = 49.0g
Gear position sensor 64.6g => 15.9g = 48.7g
SubFrame 47.2g => 0 g = 47.2g
Removed Battery wiring 47.0g => 0 g = 47.0g
Removed Thermostat 44.5g => 3.5g = 41.0g
Grinding 38.0g => 0g = 38.0g
Replaced Large steps 340.0g => 306.0g = 34.0g
Replaced Front sprocket 165.9g => 140.1g = 25.8g
Tandem step LH 25.0g => 0 g = 25.0g
Chain roller cover 24.5g => 0 g = 24.5g
Replaced Base gasket 31.6g => 9.9g = 21.7g
Replaced TMR40 carb 948.5g => 929.0g = 19.5g
Replaced Oil level gauge 34.9g => 15.9g = 19.0g
Port grinding 2644.0g => 2625.0g = 19.0g
F sprocket cover 74.0g => 58.9g = 15.1g
Fan bolt bracket 14.5g => 0 g = 14.5g
Changed Cap 55.4g => 41.8g = 13.6g
Brake pedal polish 216.0g => 214.0g = 2.0g
Shift pedal polish 128.5 => 126.8 = 1.7g
Strater cover polish 83.5g => 82.8g = 0.7g
Oil filter cover polish 40.6g => 40.1g = 0.5g
――――――――――――――――― ——– ——– ――――
Subtotal 11149.8g

Bolts

Material specific gravity Thermal conductivity Tensile strength
SCM435 7.86 0.145 100
SS400 7.86 0.145 40
SUS304 7.88 0.039 58
A7075-T6 2.80 0.294 55
Pure titanium 4.51 0.041 35~52
titanium Ti-6Al-4V 4.42 0.018 100

specific gravit(g/cm3)
specific gravity(cal/cm2/sec/℃/cm) 
Tensile strength(kgf/mm2)

Strength required location is titanium bolts.
Strength unnecessary place is aluminum bolts.

 

 

Near the handle

Triple Tree bolts (T) 180.8g => 95.4g = 85.4g
Axle and hundledar bolts (T) 140.4g => 81.4g = 59.0g
Caliper bolts (T) 43.0g => 22.0g = 21.0g
Handlebar end bolts (T) 45.8g => 27.2g = 18.6g
Fender bolts (T) 28.4g => 14.4g = 14.0g
Bush guard bolts (T) 20.7g => 11.5g = 9.2g
F/Master cylinder bolts (T) 14.0g => 8.0g = 6.0g
Switch box bolts LH (A) 9.2g => 3.2g = 6.0g
Main switch bolts (A) 8.0g => 3.2g = 4.8g
Reinforcing Handle bolts (T) 12.4g => 7.2g = 5.2g
Clutch holder bolts (T) 9.6g => 5.0g = 4.6g
Number plate bolts (A) 4.4g => 0g = 4.4g
Throttle bolts (A) 7.4g => 3.1g = 4.3g
Fork boots bolts (T) 8.0g => 4.6g = 3.4g
——————————– ——– ——– ——–
Subtotal 245.9g

(T) Titanium bolts
(A) Aluminum bolts

 

Other

F/ Engine mount bolts (T) 151.9g => 83.7g = 68.2g
U/ Engine mount bolts (T) 86.9g => 48.8 = 38.1g
Under guard RH,LH (T) 53.4g => 27.2g = 26.2g
U/ Seat rail bolts (A&T) 17.7g => 4.1g = 13.6g
Intake manifold bolts 21.2g => 2.3g = 18.9g
Rear fender bolts (T) 36.0g => 18.2g = 17.8g
Clutch cover bolts (T) 39.0g => 23.6g = 15.4g
Seat rail bolts (T) 27.8g => 15.0g = 12.8g
Chain roller bolts (T) 22.5g => 10.3g = 12.2g
Skid plate bolts (T) 22.8g => 10.8g = 12.0g
Exhaust pipe flange bolts (T) 23.6g => 13.6g = 10.0g
Sprocket cover bolts (A) 14.0g => 4.6g = 9.4g
Exhaust mid pipe bolt (T) 19.0g => 10.0g = 9.0g
R/ Disk guard bolts (T) 12.7g => 4.0g = 8.7g
Radiator shroud bolts (T) 25.8g => 17.4g = 8.4g
Clutch cable bolts (T) 12.6g => 6.4g = 6.2g
Tensioner bolts (T) 14.0g => 8.0g = 6.0g
Sheet bolts (T) 14.1g => 8.4g = 5.7g
Starter motor bolts (T) 13.4g => 8.0g = 5.4g
Rectifier bolts (T) 12.4g => 7.2g = 5.2g
Boots guard bolts (T) 10.8g => 5.8g = 5.0g
R/ Master cylinder bolts (T) 10.8g => 5.8g = 5.0g
Thermostat bolts (T) 11.8g => 6.8g = 5.0g
Gear position sensor bolt (A) 6.8g => 1.9g = 4.9g
Cylinder nut  (T) 6.7g => 2.4g = 4.3g
Blow-by gas tank bolts (A) 5.8g => 1.8g = 4.0g
Oil filter nut (T) 7.8g => 3.7g = 4.1g
Rear brake hose bolts (A) 5.4g => 2.0g = 3.4g
Secondary air system bolts (A) 5.5g => 2.1g = 3.4g
Fuel cock bolts (S) 14.2g => 11.0g = 3.2g
U/ Exhaust pipe bolts M5 (A) 4.0g => 1.8g = 2.2g
Chain Defensor bolts (A) 4.2g => 2.2g = 2.0g
——————————– ——– ——– ——–
Subtotal 355.7g

(T) Titanium bolts
(A) Aluminum bolt
(S) Stainless steel

 

Not weighing of parts

  1. Fuel tank stickers
  2. Radiator shroud sticker
  3. Swing arm sticker

 

Increased weight

Bush guard 0g => 476.0g = -476.0g
R/ Caliper guard 0g => 21.2g = -21.2g
Exhaust pipe guard(SUS304) 0g => 60.4g = -60.4g
Fuel tank air hose 0g => 21.0g = -21.0g
——————————– ——– ——– ——–
Subtotal -578.6g

 

Weight loss value is 13,477.5 g
Current of dry weight : 115.52 kg
It’s lighter than TE450R Competition model.