There are many more underbone bikes that get some love from Yoshimura from Japan. I have checked their website and found out that there are already full system exhaust pipes and some camshaft from them. The bikes that get to see the light of modification from Yoshimura other than the Yamaha Lagenda 115Z, Yamaha 135LC and Honda Wave 125X are Suzuki FJ110 (Belang R150 smaller brother aka Raider 110), Suzuki Axelo 125, Yamaha Ego S, Yamaha Ego LC aka Mio 125 or Xeon, Yamaha Vega R 110 and Honda Icon 110AT.
I just compiled this in one page as an easy reference for me to look for it later.
Quote from RB FB page:
Get a better grip for your feet by using Racing Boy’s footrest kit, not only while riding on road but also while speeding on track. It is fully made from high quality and anti rust alloy and attached with foldable alloy foot peg. The footrest kit is designed and manufactured to make sure that the riders attain the finest riding position to achieve a better control of the bike even on an uneven road. You may find various type of footrest kit at Racing Boy to fit a variety of motorbike.
Great spark will be produced when using this Showa Denso high tension ignition coil.
Ignition coil is actually universal uses, means that you can also use this ignition coil even if your bike is Honda Wave 100. I have seen in my hometown in Kelantan, a Honda C70 uses an ignition coil which is sourced from Perodua Kancil (a car, if you guys out there don’t know). The owner of the bike show me that the ignition produced was powerful when he pulled the spark plug about ONE feet away from the engine, but the spark can still ‘sparked’. He said that this kind of high spark power can deteriorate your piston quickly, as the spark can make a hole in the piston.
Honda Wave 125S, 125X and 125X Ultimo all have the same engine.
Using this big valve head will enable your engine to take in much more air/fuel mixture from the carburetor and as a result you can have great power gain. To get the best result from installing this big valve head kit, you need to have your carburetor properly tuned. You can read the Mikuni Super Tuning Manual if you want to it by yourself or you can just send your bike to the workshop to get it done.