Disclaimer:

All of the following factory settings are suggestions only and should be followed by people who know about tuning nitro engines. Any adverse results are the responsibility of the tuner and not BYNB.

Key:

HSN - High Speed Needle which will be highlighted in RED

LSN - Low Speed Needle which will be highlighter in ORANGE

IDLE - Rev Regulator which will be highlighted in GREEN

All turns should be followed as if it were a clock for example 4 turns out would be 4 times round a clock i.e 1 full turn being 12 hours if it states to 'Turn out' this is anti clock wise i.e left from 12am to 11pm to 10pm etc etc. If it states 'Turn In' this is the opposite way which would be clockwise.

Schumacher X18

HSN - 2 1/2 Turns out
LSN - 0.70mm in from flush
IDLE 0.50mm open 

Ansmann Racing AR28

HSN - 4-4.5 Turns out
LSN - Flush
IDLE 1mm open 

Hyper Macstar .28 6 Port 

HSN - 4.5 turns out from closed
LSN - 2.5 turns out from closed
IDLE 1-1.5mm

Kyosho GX21 Engine 

HSN - 4 Turns out from fully closed
LSN - 0.5mm in from flush on valve
IDLE 1mm

LRP Z.28 Spec 3 

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

Mach 427 

HSN - 4 Turns out from closed
LSN - 2.5 Turns out from closed

IDLE - 1mm Gap

OS .21 V-spec
HSN - 3 Turns out from closed
LSN - Flush on valve
IDLE 1mm gap in carb
 

RB TM523 

HSN - 6 turns from closed
LSN and IDLE - 5 turns from closed

SH .28
HSN - 3 turns out
LSN - 3 turns out
IDLE 1mm Gap

TRX 2.5 & 3.3  

HSN - 4 turns out
LSN - flush with valve/1.5-1.75
IDLE 0.70-1mm open

TRX PRO .15 

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

Don't forget that your nitro will need re-tuning if it hasn't been used (tuned) since the last season change, weather, temp and altitude drastically alter your engines tune and should be altered as per the season and temperature 




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