15
902303
SH M3x4
970050
O 5x1
966081
CH-CLIP 8
930407
BB 4x7x2.5
TO TIGHTEN FRONT BELT:
Rotate both front nylon hubs in arrow direction B
TO TIGHTEN REAR BELT:
Rotate both rear nylon hubs in arrow direction B
ALTERNATIVE
64P OFFSET SPUR GEAR
ALTERNATIVE
48P SPUR GEAR
BELT TENSION ADJUSTMENT & DIFFERENTIAL POSITION
A
B
BELT TENSION ADJUSTMENT & DIFFERENTIAL POSITION
B
A
L=R
L=R
A
B
A
B
TO LOOSEN FRONT BELT:
Rotate both front nylon hubs in arrow direction A
TO LOOSEN REAR BELT:
Rotate both rear nylon hubs in arrow direction A
LOWER DIFF POSITION
UPPER DIFF POSITION
LOWER DIFF POSITION
UPPER DIFF POSITION
Front solid axle LOWER position - tab in top
notch - provides more forward traction,
but makes the car push on-power.
Recommended for low-traction tracks.
Recommended for low-medium traction tracks.
Front solid axle UPPER position - tab in
bottom notch - provides more steering, but
less forward traction.
Recommended for medium-high traction
tracks and technical tracks.
Recommended for medium-high traction tracks.
Rear diff LOWER position - tab in top notch -
provides more rear traction (mainly on-power),
makes the car more stable in chicanes, but can
cause a push on corner exit.
Rear diff UPPER position - tab in bottom notch -
provides more on-power steering, but makes
the rear less stable.
INITIAL POSITION for CARPET/ASPHALT
Place tab in this UPPER NOTCH
INITIAL POSITION for CARPET/ASPHALT
Place tab in this UPPER NOTCH
(INITIAL SETTING)
OIL
OIL
BEARING OIL
(HUDY #106230)
3. CENTRAL TRANSMISSION
1. 2. 2.
3.
OFFSET NOTE
ORIENTATION
CUTAWAY VIEW
DETAIL
NOTE
ORIENTATION
1mm
Snap Ring Pliers
(HUDY #189040)
#966081
CH-CLIP 8 (10)
INCLUDED IN THE
LAST AID BAG
Another alternative to secure
the pulley on the layshaft is
to use the CH-clip which is
included in the “Last Aid”
Bag. To mount the clip on
the layshaft, you have to use
special Snap Ring Pliers.
NOTE
ORIENTATION
SPUR GEARS 48P
#305772 72T OPTION
#305776 76T OPTION
#305778 78T OPTION
#305779 79T OPTION
#305781 81T OPTION
#305784 84T OPTION
#305784-O 84T OPTION
OFFSET SPUR GEARS 64P
#305860 90T OPTION
#305862 92T OPTION
#305866 96T OPTION
#305866-O 96T OPTION
#305869 99T OPTION
#305870 100T OPTION
#305870-O 100T OPTION
#305874 104T OPTION
#305876 106T OPTION
#305878 108T OPTION
#305880 110T INCLUDED
#305880-O 110T OPTION
#305882 112T OPTION
#305884 114T OPTION
DIFF HEIGHT BELT TENSION
ADJUSTMENT
VIDEO TECH TIP
▶
When using XRAY 48P spur gears or
aftermarket spur gears without an offset, use
the 3x5x1mm shims (#303141 not included)
between the gear and layshaft to create the
necessary clearance from the top deck.