Together with the carbumtter F 1/24 a nea crankshaft with full counterdeights was in-
tmduced. If a crankshaft of fomar pmduction is to be raplacadby a cmnkshaft with
full weights, the carbumtter setting must be modified as follows:
Fuel Jet 105/ - air set screw 2 1/2 tums open.
If an the other hand an engins fitted with flangc catimtter F 1/24 without inter-
mediate pipe ) is to be equipped with a crankskaft of the old typa, the carbumtter
setting should be modified in the following way:
Air set screw 2 1/2 turrs open.
@;
Birg carhumtter AJ 2/26 - Fuel jet 105 - needle position 2 ( needle Position 3 up
to IOUI kiloeeters ) - needle jet 270 - idling speed jet 60 - air set scraw 1 112
turne open - mixing chamber insert size 5.
Clutch :
---.
Alultiplate clutch in cil bath - endlass mller Mn betweon enpine and gear box -
tmnsnission ratio 1: 2.53 for RT BI3 and RT 2%
Thmrapeed gear box ( foot ltvsr contml with electric neutral position indicatcr).
Gear box :
E200andRT 250:
Gear mtio : First speed 1 : 2.66 - srcond spaed 1 : 1.378 - thitd speed 1 : 1
Chain drive :
--e-v--
RT. 2UO *
---L
4
Roller chafn 1 7/2 x 5/16* -Solo : gear ratfo 1 : 2.5 - drive sproeket 19 teeth - side
car : gear Mio 1 : 3,2 - driva spmcket 14 teetb - whsel spmckt 45 teeth.
250: RT.
Roller chain 1 112 x 5/16” - solo: gear ratio 1 : 2,5 - driw Sprocket 19 taath - side
car : gear ratio 1 : 3 - drive spmcket 15 teeth - whsel spmcket 45 teeth.
Total transmission ratio:
RT2lO:
First Speed : 1 : 16,8 - second Speed 1 : 8,72 - third spaed 1 : 6,34 .
RT25U:
First speed 1 : 16 - second speed 1 : 8,3 - third spead 1 : 5,99 .
It fs essential that
in
addition to the Standard tools ths following spacial tools ba
available for strippinq and n-fitti& RT 2?30/250 eqines.
See illustmtion
table 2
No. ?
= Clutch munter support
..,..........,.....‘...............
No. 0100253-0
No. 2
= Chain spmeket extmctor
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
No. 0100248.0
( tan
21~0
bc wad for Rt 125 instead of No. 0
. . . . . .
No.
No. 3
- Hook Spanner for exhaust Pipe collar
nut 52 - 55
. . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*...............
No. 0903
No. 4
l
Extmctor for con. rod hrshss with 15 BITI/@ . . . . . . . . . . . . . . .
No. 0969
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