04-20-2008, 11:30 AM #1
Rotax Racing impeller and spacer for x modelI have Rotax Racing impeller and spacer for X models i didnt install it yet
do you think that i have to install any more parts will fit with this item
i had RXP-X with Riva Stage 1
thanks every body
04-20-2008, 11:32 AM #2
- Join Date
- Sep 2006
- winchester va
i have the rr spacer fan for the 215 s/c and it fits right in you'll might haft 2 repitch ur prop
04-20-2008, 12:20 PM #3
You do this by installing the Rotax Racing ECU with 60 lb hr injectors or by installing the Riva ECU with 50 lb hr injectors.
With the Riva ECU you will need to run the valve train upgrade.
With the Rotax Racing ECU you will need the valve train upgrade and the lightweight valves because the RR ECU has an 8800 RPM rev limit.
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