Yuminashi

01/12/2025

Final step on our 62mm bore to increase top speed, removing the RPM limiter, and remap. Next project will be the 66mm bore...

In this final video from the PCX 62mm bore series, we put the cherry on the cake with a RPM remap and raising the RPM's from 9,550RPM to 10,500RPM.━━━━━━━━━━...

14/11/2025

Video Introduction: https://www.youtube.com/watch?v=iXPli5kVzE4

Sunday Scooter & Motorcycle Ride Out, up to 350cc.
Do you love some adventure on a Sunday, and the combination of scooters/bikes and curvy roads? Then this Yuminashi Gran Turismo Ride Out is a ride you won't forget very soon!...

• Breakfast Outback: 8:30am
• Departure: 9:45am
• Total Distance: 311Km
• Total Stops: 5
• 183Mtr. Elevation
• Beach, Mountain & Lake Side
• Lots of Curvy Roads!

We from Yuminashi love to tune our Scooters & Bikes, and we surely love to drive them, so with this December ride out introduction video we invite everyone t...

04/11/2025

Does a YUMINASHI 32mm manifold & throttle body set make more power on a PCX160 compared to a 34mm set with a 62mm big bore kit, and if we change the injector?
https://youtu.be/5GjYkp5FAT8?si=wp1w8GH6gnB_ZiWi

27/10/2025

Working hard to release the new motorsport YUMINASHI "PERFORMANCE SERIES" B-Type fuel injectors. These are still in a R&D test phase at this moment, and will be available/released very soon...

In this video, we are talking about the new MOTORSPORT PERFORMANCE SERIES fuel injectors YUMINASHI is working out at the moment, and what makes them differen...

16/10/2025

LARGE GT4 eSP+ 4V MANIFOLD & THROTTLE BODIES INFO VIDEO
LINK: https://www.yuminashi.eu/throttle-bodies-pcx160-2021/
VIDEO: https://www.youtube.com/watch?v=bCAurQLnbAI

In this video we take a look to the GT4 manifolds for the larger valve GT4S and GT4R heads, and also to the larger manifolds YUMINASHI have available for the...

12/09/2025

24/21MM SP4S 4V HEAD (ADV160 | PCX125/160 | SH125/160 | CLICK160 | ETC...)
LINK: https://yuminashi.eu/12200-k2s-sp4s-24-21mm-sp4s-4v-performance-head-for-65-66-67mm-cylinders-esp-125-150-160cc/

10/09/2025

PCX160 CYLINDER HEAD & GEAR SPROCKET BATTLE (Yuminashi Test Results Video...)

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━PRODUCT LINKS ⇩• Gear Sprockets - https://yuminashi.eu/gear-sprockets-42/• GT4S (22/19) - https://yuminashi.eu/12200-...

29/08/2025

HEAVY FINAL GEAR RATIO vs ROLLER WEIGHTS & TORQUE SPRING (PCX160 4V)

in this video we will talk about the Yuminashi T.R.E. springs for the PCX160 and did the multiple tests with the 15/44 gear sprocket combination.━━━━━━━━━━━━...

14/07/2025

In this video we take a look and discuss the NAVI tuning parts which YUMINASHI have released, and will release in the next month...

In this video we provide an update about the recently released YUMINASHI tuning parts for Honda NAVI, and the aluminium big bore cylinder kits which YUMINASH...

10/07/2025

We worked another camshaft out, and we install it in this video, together with a 2 teeth's larger gear sprocket, and do some testing with it... We show you also my recommendations concerning piston size, and which valves/throttle body you should use...
※ You can select the translation and set it into your language!

In this second episode we try to get more power in the higher RPM range, and try to get a higher top speed with installing a 15 teeth gear sprocket. We are g...

30/06/2025

In this PCX160 video we show you how you can calculate your compression ratio, and the road/dyno results of 2 different injectors installed on the 62mm big bore and big valve head....

In this video we show you how to work the compression ratio out, the install of the 62mm kit on the PCX125, and the dyno/road test which shows the difference...

20/06/2025

In this video you can see how restricted the stock PCX160 fuel use is, and how we replace it with a larger Yuminashi non restricted fuel hose...
-Fuel Hose Link: https://yuminashi.eu/52mm-long-6-3mm-id-hose-size-2-with-90-straight-connector-pcx125-160-adv160/

We are removing the restricted fuel hose from the PCX160, and replacing it by the non-restricted YUMINASHI 6.3mm large flow fuel hose to make it easier with ...