Hopefully this will solve a lot of problems for new and old members and also provide information for more obscure makes of engines that people are struggling with.
HSN = High Speed Needle
LSN = Low Speed Needle
Unless stated assume all settings are anti clockwise turns opening the needles as you go.
Keep it simple and clean and we will all benefit.
Heres some to start off......

AR21 & AR28 appear identical.
HSN - 4-4.5 turns out
LSN - Flush
IDLE 1mm open
GO .28 3 Port
HSN - 3.25-3.5 turns out from fully in.
LSN - 1 turn in from flush
IDLE - 1mm gap

HSN - 4.5 turns out from closed
LSN - 2.5 turns out from closed
IDLE 1-1.5mm open
Hot Bodies .26 Powerhouse
HSN - 3.5 Turns from fully closed.
LSN - 3.5 Turns from fully closed.
Idle - 1mm open.

HSN - 4 Turns out from fully closed
LSN - 0.5mm in from flush on valve
IDLE 1mm Gap in carb
Leo .15, not confirmed but a rough starting point.
HSN - 2.5 turns
LSN - 3 turns
IDLE 1 mm open

HSN - 3.75 Turns From Closed
LSN - 3.75 Turns From Closed
IDLE Gap between 0.5mm and 1.0mm open

HSN - 4 turns out from bottom
LSN - 2,5 turns out from bottom

HSN - 3 Turns out from fully closed
LSN - Flush on valve
IDLE 1mm gap in carb

HSN - 6 turns from closed
LSN/IDLE Needle - 5 turns from closed

HSN - 2 1/2 turns out
LSN - 0.70mm in from flush
IDLE 0.50mm open
Schumacher R18
HSN - 2-4 turns out
LSN - 3-41/2 turns out
IDLE 0.75mm open

HSN - 3 turns out
LSN - 3 turns out
IDLE 1mm open
Team Associated / Thunder Tiger 28 Pro Duel Start Engine
HSN - 2.75 turns
LSN - 2/2.5 turns
Thunder Tiger Pro .21
HSN - 2.5 Turns
LSN - 1.5 Turns or Flush
IDLE 1mm open

HSN - 2.5 turns out
LSN - Flush with throttle arm assembly
IDLE 1-1.5mm open

HSN - 4 turns out
LSN - flush with valve or 1.5-1.75 turns out
IDLE 0.70-1mm open.
Edited by a-x-l-e, 23 December 2009 - 04:27 PM.




















