Rivera Primo SU Sportster KIT 1041-0064 User Manual
Page 18
LIMITED WARRANTY
This product is covered by a limited warranty that it is free from defects in material and workmanship, and against exces-
sive wear for a period of one year. Our obligation under this warranty is limited to the repair of replacement of its product
only, and it is not responsible for incidental and consequential damages, property damage or personal injury damages tot
he extent permitted by law. (Some states do not allow warranty limitation, so the above may not apply to you). There is
absolutely no warranty on any parts used in racing applications, or on products that have been physically altered, improp-
erly installed or maintained, used in improper applications, abused or not used in conjunction with the proper parts. To
make a warranty claim, you must return the product freight prepaid to: Rivera Primo Inc., 12450 Whittier Blvd., Whittier,
CA 90602 • 562-907-2600.
Curved 12 pt box wrench with 5/16” & 3/8” ends
1201-0001
RIVERA PRIMO INC.
12450 WHITTIER BLVD.
WHITTIER, CA 90602
562-907-2600 VOICE
562-907-2606 FAX
WWW.RIVERAPRIMOINC.COM
FINE TUNING RECOMMENDATIONS
W
ARM
THE
MOTORCYCLE
UP
TO
REACH
CARB
OPERATING
TEMP
,
USUALLY
10-15
MILES
. P
ARK
THE
MOTORCYCLE
,
LETING
IT
IDLE
.
R
AISE
IDLE
SPEED
,
USING
IDLE
SPEED
SCREW
,
SO
THAT
THE
ENGINE
RUNS
SMOOTH
.
TYPICALLY
ABOVE
1500
RPM
.
PLAN A
T
HE
MAIN
JET
ADJUSTING
SCREW
,
LOCATED
IN
FRONT
OF
AND
SLIGHTLY
BELOW
THE
FUEL
INLET
,
IS
ADJUSTED
TO
THE
“
NEUTRAL
”
POSITION
AT
THE
FACTORY
. W
ITH
THE
BIKE
IDLING
TURN
THE
MAIN
JET
ADJUSTING
SCREW
IN
UNTIL
THE
IDLE
STARTS
TO
DEGRADE
. S
LOWLY
BACK
THE
SCREW
OUT
UNTIL
THE
RPM
INCREASES
AND
THE
IDLE
SMOOTHS
OUT
.
PLAN B
W
ITH
THE
BIKE
IDLING
TURN
THE
MAIN
JET
ADJUSTING
SCREW
IN
ONE
TURN
USING
HALF
TURN
INCREMENTS
.
IF
THE
IDLE
DOES
NOT
INCREASE
RETURN
THE
SCREW
TO
THE
“
NEUTRAL
”
POSITION
.
NEXT
TURN
THE
SCREW
OUT
IN
THE
SAME
MANNER
.
AGAIN
IF
THE
IDLE
DOES
NOT
REACT
RETURN
THE
SCREW
TO
THE
ORIGINAL
POSITION
I
F
THE
IDLE
SPEED
GOES
UP
WHILE
TURNING
THE
SCREW
EITHER
WAY
CONTINUE
TURNING
IN
HALF
TURNS
TILL
THE
IDLE
DOES
NOT
INCREASE
OR
FALLS
OFF
THEN
GO
BACK
ONE
HALF
TURN
.
N
EXT
LOWER
THE
IDLE
SPEED
USING
THE
IDLE
SPEED
SCREW
TO
THE
DESIRED
SPEED
.
G
O
FOR
ANOTHER
RIDE
.
T
IPS
:
DO
NOT
IDLE
AT
HIGH
SPEED
FOR
EXTENDED
PERIODS
, 4-5
MINUTES
MAX
,
OR
YOU
WILL
OVER
HEAT
YOUR
ENGINE
OR
BLUE
YOUR
CHROME
EXHAUST
PIPES
.
T
HE
MAIN
JET
ADJUSTING
SCREW
IS
BACKWARDS
FROM
MOST
OTHER
CARBS
,
TURNING
IT
IN
,
OR
CLOCKWISE
,
RICHENS
THE
MIXTURE
.
TURNING
IT
OUT
,
OR
COUNTER
CLOCKWISE
,
LEANS
THE
MIX
.
T
HE
SCREW
MAY
BE
TURNED
TWO
TURNS
IN
OR
TWO
TURNS
OUT
FROM
“
NEUTRAL
”.
I
F
MORE
THAN
TWO
TURNS
IS
REQUIRED
A
NEEDLE
CHANGE
IS
NEEDED
.
N
EEDLES
:
NEEDLES
ARE
MARKED
BELOW
THE
RETAINER
COLLAR
:
B
BX
=
RICHER
B
BT
=
STANDARD
,
INSTALLED
AT
FACTORY
.
B
BD
=
LEANER