’02 DR-Z400S （or DR-Z400SM or DR-Z400E )
(The condition of the lightness.)
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
- Fuel tank stickers
- Radiator shroud sticker
- 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.