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Thread: SPA engine options
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Old 11-08-2007 | 09:57 PM
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Troy Newman
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From: Goodyear, AZ
Default RE: SPA engine options
All the YS 4 stroke engines have the Super-charger system on them...The YS 63 may be legal as it doesn't have the airbox, but you would have to check with SPA, they make their own rules.


Troy Newman
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