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Stage 3 Yamaha GP1800R + HKS Supercharger Rebuild Tech Tips by Cuco Performance

Today Stephon brings his Yamaha GP1800R SVHO WaveRunner that was down on some power, We dissect the old Supercharger to find out it was broken. Lets Rebuild it tune it and see what numbers we get....

Calas Performance
Written by
Calas Performance

Published
January 18, 2026

Read time
1 min

Today Stephon brings his Yamaha GP1800R SVHO WaveRunner that was down on some power, We dissect the old Supercharger to find out it was broken. Lets Rebuild it tune it and see what numbers we get.

Be sure to check out Part 1 https://youtu.be/yJGEsgSE_1c?si=b8fkDsBVe3jgFI0y

Part 2 – https://youtu.be/wKraBEqx6AY

Let's see what happen

Calas Tunes for Stages 1, 2 and 3 NOW AVAILABLE with Riva Map Tuner

Be sure to check out RIVA RACING at https://rivaracing.com/

Calas Cam Springs and retainers Now Available at https://www.calasperformance.com/

Be sure to check out VP products at https://vpracingfuels.com/product-category/automotive/appearance-products/

Be sure to follow me on IG – https://www.instagram.com/calasperformance FB – https://www.facebook.com/CalasPerformance

Check out my website for the Calas Performance PWC parts for Sea-Doo and Yamaha Calas Performance https://www.calasperformance.com/

Check out DDR Performance https://ddrperformance.com Check out the fizzle factory https://www.fizzlefactory.com/

#jetski #seadoo #yamaha #waverunner #techtips #pwc #rivaracing #worldrecord #waverunner #CucoPerformance #watercraft #boating

Music from #InAudio: https://inaudio.org/ inaudio – Infraction Music- San Diego

Dessie Vizcaino – Director/Video Editor/Producer/Drone Pilot/Videographer.

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Calas Performance

Calas Performance

Calas Performance shares practical PWC parts guidance, fitment notes, performance insights, and build support for riders who want to order with confidence.

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