Compression tuned Rotax 122 engine
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Uploader Comments (geertjan321)
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All Comments (11)
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what piston do the orginal cylinder got flat piston or domed piston?
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questo si che è ronco xD ahah
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nice compress
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very well done
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box fits the Rotax 123 Rotax 122
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The only difference between the RX/MX and SP kickstarters is the shaft. The SP one is longer in order to clear the frame on the Rs.
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in italian the "kick start" it's called "PEDIVELLA"
i know Rs 125 Sp use this start.
but also Mx and Rx use the kick start.
if something inside engine it's different. it is possible ehehe
(my english it's not really good, sorry)
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You may kill the engine overrev by incresing compression to mutch, or even overheat the piston and seize it agaist the cylinder.
The compression Ratio for normal gasoline should be about 13,5/14:1
raistapartam 8 months ago
@raistapartam
This is true, however it's tuned as in we know what we're doing ;)
turned out to deliver 36,2 bhp on the rear wheel, still going after 2 years and 10.000km delivering 34,8 bhp.
geertjan321 8 months ago
wow con la pedivella. sarà di una MX o Rx
GiovaRs125 3 years ago
I don't understand what you're saying, but I do know this kickstarter belongs to an Aprilia RS 125 SP (SPORTS PRODUCTION). the system is completely different from an MX or RX ;)
geertjan321 3 years ago
original 125cc's cylinder ;)
geertjan321 3 years ago