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Bosch, Seadoo, Super Rotax Inline-Triple; GTR, GTI GTX, RXP, RXT

FiveoMotorsport / Bosch
Part Number: 123X8
Flow Rate: Please select an option below
Resistance: 12.5 Ohms
Connector Type: Jetronic (EV1)
High Performance
$119.50 (USD)
Subtotal: $119.50
  • Seadoo, GTR, RXP, GTI GTX, Direct-fit Fuel Injectors, 
  • EV-14, Bosch 450cc, 550cc, 650cc, 750cc, 850cc, 1000cc, 1200cc 
  • Drop-in fitment:
  • Matched sets available
  • LIST PRICE INCLUDES a single (1) fuel injector - Order three (3) and receive a matched set


FLOW CHART: Each set is sold with a complete and unique flow-data chart indicating individual static flow rates at 3.0, 3.5, and 4.0 BAR.
As well as 3.0 BAR dynamic pulse testing for idle (15% duty-cycle) and 50% duty-cycle.
Along with a complete dead time off-set (latency) table. Flow matching was done with industry-standard equipment of the highest quality.
The tests were performed at varying temperatures to achieve realistic results.
Linear tuning with excellent low-end, and idle rpm.
Fiveo is the only fuel injector seller that can claim this level of technology.

Injector type: EV14 with internal filters, composite plastic, saturated
Electrical connector: Sumitomo
Overall length: 77 mm
O-ring to O-ring on Center: 64 mm
Body Diameter: 15 mm
Example Specs for 52lb 
550cc/min at 3.0 BAR
Latency (Dead Time):
0.55 ms at 14 volts
Tested Resistance: 12.5 Ohms
Voltage: 8-15 Volts, Nominal 13.5 Volts
Amperage: 1.0 Amps
Pressure: Min. 36 PSI (2.5 bar), Max. 101 PSI (7 bar)
Excellent fuel atomization - Excellent linearity
Low end pulse width accurate to within 1% down to 2ms.

All 14.5 Viton O-rings Included for installation.

  • Seadoo, GTR, RXP, GTI GTX, Direct-fit Fuel Injectors, 
  • Bosch Gen IV, EV-14EK, Bosch 550cc, 750cc, 1000cc, 1200cc 
  • DIY Drop-in installation
  • Matched sets available
  • LIST PRICE INCLUDES a single (1) fuel injector - Order three (3) and receive a matched set


FLOW CHART SPECIFICATIONS: Each set is sold with a complete and unique flow-data chart indicating individual static flow rates at 3.0, 3.5, and 4.0 BAR.
As well as 3-BAR dynamic pulse testing for idle (15% duty-cycle) and 50% duty-cycle.
Along with complete dead time/off-set (latency) tables.
Flow matching was done with industry-standard equipment of the highest quality.

The tests were performed at varying temperatures to achieve realistic results.
Linear tuning with excellent low-end, and idle rpm.
Fiveo is the only fuel injector seller that maintains this level of technology.

Injector type: EV-14EK with internal filters, stainless-steel components, saturated
Electrical connector: Sumitomo
Overall length: 77 mm
O-ring to O-ring on Center: 64 mm
Body Diameter: 15 mm
Example Specs for 52lb 
550cc/min at 3.0 BAR
Latency (Dead Time):
0.55 ms at 14 volts
Tested Resistance: 12.5 Ohms
Voltage: 8-15 Volts, Nominal 13.5 Volts
Amperage: 1.0 Amps
Pressure: Min. 36 PSI (2.5 bar), Max. 130 PSI (9 bar)
Excellent fuel atomization - Excellent linearity
Low end pulse width accurate to within 1% down to 2ms.

All 14.5 Viton O-rings Included for installation.

OE-450cc: ROTAX 1,494 cc four-stroke, inline-3 cylinder, 12 valve, Supercharged with an external intercooler.

OE-605cc: ROTAX 1630 ACE - 300 1,630 cc four-stroke, inline-3 cylinder, 12 valve, Supercharged with an external intercooler



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More Information
Manufacturer FiveoMotorsport / Bosch
OEM or Aftermarket High Performance
Connector Type Jetronic (EV1)
Flow Rate Please select an option below
Impedance 12.5 Ohms
Part Number 123X8
Year(s) 2016
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