Just baru know got this kind of thread.

My former 8 yr old Suzuki V100 can reach top speed (100km/h?) that time on highway from KL to Damansara.

Now my 4 yr old Naza Symphony (phony lanjiao scooter) can only manage go 70km/h top speed(new that time can reach 110 on straight road along Kesas Hiway to Subang).

Piston got probs, hard to get spare part. Even go to Sri Muda also kenot solve. Phark Naza......