
BLACK BEE
CYCLE
T
WO STROKE
TOTAL DISPLACEMENT
125
C
.
C
.
BORE
54 mm.
STROKE
54 mm.
COMPRESSION RATIO
11:1
COOLING
B
Y AIR
PEAK RPM max.
9800
RPM
PISTON
W
ITH TWO PISTON RINGS
HEAD
I
N ALLOY WITH HIGH PERCENTAGE OF SILICON AND HEMISPHERIC
COMBUSTION CHAMBER
,
WITH SQUISH
CRANKCASE
M
OLTEN IN
G-A
L
S
I
9
UNI
3051
ALLOY SUBSEQUENTLY TREATED
AND ANODIZED AGAINST SEA SALT
CONNECTING ROD
I
N COPPER PLATED STEEL
18 N
I
C
R
M
O
5
JOINED TO THE DRIVE
SHAFT THROUGH VERY PRECISE HIGH SPEED SILVER
-
PLATED ROLLER
BEARINGS
CARBURATOR
MEMBRANE WALBRO
WG8
FEEDING
S
IX BLADE REED
-
VALVE SYSTEM CONNECTED TO THE CRANKCASE
SPARK PLUG
N
GK BR
9
ES OR SIMILAR
SYSTEM
S
IX PORT DISTRIBUTION
CYLINDER
I
N ALLOY WITH NIKASIL COATING
REDUCTION
W
ITH POLY
V
BELT
12
GROOVES
1:3,6
CYLINDER HEAD
TEMPERATURE
MAX TEMPERATURE
230°C
MEASURED UNDER SPARK PLUG
E
XHAUST GAS TEMPERATURE NOT EXCEEDING
590 C°