Specs2 

Please note, these specs were stolen from http://www.ki-man.com  (hope he doesn't mind!), translated with google tanslate, and tidied up by myself (in progress...).  There's a good chance some/all of this is wrong - you've been warned!

Clutch
. Clutch plate Quantity 6
Standard thickness 1.05~1.35mm
Distortion limit 0.05mm
. Friction plate Quantity 7
Standard thickness 2.9~3.1mm
Use limit 2.8mm
. Clutch spring Number 5
Free length 32.0mm
Use limit 30.0mm
Reduction gear ratio
. Primary deceleration Number of teeth 51/18
Ratio 2.833
. Deceleration number of teeth ratio 1st gear 34/12 2.833
2nd gear 29/16 1.813
3rd gear 26/19 1.368
4th gear 24/21 1.143
5 speeds 23/23 1.000
6 speeds 22/24 0.917
. Second deceleration Number of teeth 43/16
Ratio 2.687
Drive chain
. Standard 428
. The number of scenes 132
. Deflection 15~20mm
Mission oil
. Designated oil Yamaha gear oil
. Oil level Periodic exchange 750cm3
Overhaul 800cm3
Reed valve
. Valve/seat opening limit 0.2mm
. Stopper height 8.3mm
Automatic lube pump
. Classified by color Black
. The smallest stroke 0.15~0.20mm
. Largest stroke 1.85~2.05mm
. Designated oil [yamahaotorubusupa]
Carburetor
. Type TM28SS
. Hallmark 2TV00
. Venturi aperture φ28
. Main jet #175
. Main air jet 0.7
. Jet needle 5L19-13
. Clip stage number 3/5
. Throttle valve (C.A) 2.5
. Pilot jet #22.5
. Pilot air jet φ1.2
. Needle jet P-8
. Starter jet #25
. [hiyuerureberu] 3.5~4.5mm
. H size 15~17mm
. Idling rpm 1350rpm
. Power jet #130
. Throttle cable play 2~5mm
[rajieta]
. Type Corrugated fin type
. Width 266.2mm
. Height 160mm
. Thickness 16mm
. Resisting pressure 1.8kg/cm2
. Cap injection-valve open pressure 0.75~1.05kg/cm2
. Chilled water entire capacity 0.92L
. [rajieta] capacity 0.43L
. Recovery tank capacity 0.17L
Thermostat
. Type 2TV
. Manufacturer The japanese thermostat
. The valve it starts opening, temperature 63.5~66.5℃
. Valve full opening temperature 80℃
. Full opening valve lift quantity Above 3mm
Thermometal cut-out
. Type 2TV
. Manufacturer The Nippondenso Co., Ltd.
Oil level gauge
. Type 3J0-00
. Manufacturer Stanley