Evolution Engines 91NX - Manual (Page 11)

EN
11
Parts List
# Description part
1 Cylinder Head Screws EVO46408
2 Cylinder Head EVO91103
3 Cylinder Head Gasket EVO91112
4 Cylinder Liner & Piston
Set
EVO91203E
5 Wrist Pin with Clips EVO91213
6 Connecting Rod EVO91204
7 Carburetor retainer EVO61119
8 Prop Washer & Nut EVO100228
9 Prop Driver EVO100219
10 Spacer Washer EVO91225
11 Front Bearing EVO91109
12 Crankcase EVO91101
13 Rear Bearing EVO400110
14 Woodruff key EVO91218
15 Crankshaft EVO91210E
16 Back Cover Gasket EVO91111
17 Back Cover Set EVO91102
# Description part
18 Back Cover Screws EVO40134
19 Muffler Assembly EVO91601
20 Muffler Body Long Screw EVO91616
21
High-Speed Needle EVO91829
22 Collar w/3mm set screw EVO046834a
23 Idle Stop Screw EVO046825
24 Carburetor Body & Spray
Bar
EVO91863
25 Throttle Rotor Spring EVO46814A
26 Carburetor Barrel EVO91813
27 Low Speed Needle Valve EVO91844F
28 Carburetor Complete
EVO91801
29 Muffler Mounting Screw
Set
EVO9191A
30 Engine Gasket Set EVO91416
31 Engine Screw Set EVO91901
32 Needle Valve Holder
and clip
EVO91830
.91 Evolution Engines Specifications
Item
Disp
(c.i.) Bore
(mm)
Stroke
(mm)
Weight
(oz)
Crank K
(ISO)
Cylinder Propeller
EVOE0910 .91 27.8 24.9 15.3 5/16 x 24 Ringed 14 x 7 @ 10,400 rpm
B A
C D
F
G
H
E = height*
F = length
G= crankshaft thread size
H = muffler bolt spacing
Dimensions A B C D E* F G H
EVOE0910 42 52 25 64.2 86 92 5/16 x 24 42
* Height is from engine C/L to top of cylinder head.