Gilera Nordwest, Workshop Manual

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Final drive:
Gear box sprocket: 14 tooth part no. 328016 (same as RC600)
15 tooth part no. 321586 (Saturno) can be used
Sprocket oil seal: Part no. 328232 (change when sprocket changed)
Rear sprocket: 43 tooth part no. 946060 (5 bolt fixing)
Cush drive rubber: 5 X part no. 939091
Cush hub bearing: 1 X part no. 946578
Chain: 520 X 108 links
Free play: 35 - 40 mm (vertical movement)
Wear limit: 20 links = 319.4 mm (12.57”) max.
With chain tight, measure from centre of pin 1 to
Centre of pin 21
CARBURETTOR: Teikei E30PV2A twin choke unit (same as RC600)
One choke is conventional slide and the other is the
constant velocity (CV) type. Both are fed from one
float chamber.
A 5
Item
Main jet
Main jet
Main jet
Main jet
Main jet
Main jet
Main jet
Main jet
Needle assy
Needle assy
Needle assy
Slide
Slide
Atomiser (VOO)
Slow running jet
Slow running jet
2nd carb jet
2nd carb jet
2nd carb jet
2nd carb jet
2nd carb jet
2nd carb jet
2nd carb needle assy
2nd carb needle assy
2nd carb atomiser (OO)
2nd carb slide assy
Float valve
Size/type
135
140
145
150
155
160
165
170
5C58
5C60
5C55
5.5
4
2.6
48
46
140
145
150
155
160
165
5X7A
5X74
2.6
2.5
Part no/Notes
341856
341750 RC600 ‘89 std.
341857
346355
346314
Nordwest & RC600 std.
346353
346347 RC600R std.
346354
346363 Norwest 3rd notch
346360 RC600R 3rd notch
341873 RC600 ‘89 3rd notch
341763 RC600 ‘89
346349 Nordwest & RC600R
341748 All
346346 Nordwest & RC600R
341747 RC600 ‘89
341810
341861 Nordwest std.
346356
346357
346351 RC600R std.
346358
341876
Nordwest & RC600 ‘89 3rd
346362 RC600R std. 3rd notch
341809 All
341802 All
341754 All
These Teikei carbs are used on some Yamaha big singles, so
Yamaha dealers could be another source of parts.
Nordwest & RC600 use same items
RC600 ‘89 refers to ‘89 & ‘90 versions (not Norwest body work)