My mechanic had opened up another customer's GS150R's engine and I must say, like the Fiero even this engine has lots of potential for modification.
The exhaust port is covered too much, the port was opened up and my mechanic was doing some head job.
Got to ride the bike yesterday after all the works were complete... and I must say I'm damn impressed
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The power has gone up very much, feel like its clean 2 bhp more.. Was able to do 126 on the speedo very easily, will check its full potential this weekend and update. The Acceleration was much better than stock, it was just like a P180 or an RTR