YAMAHA DT 125 E SWISS
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By restrictions mate, I mean blockages. Like is there leaves and dirt in the inlet tract. As well as exhaust. So yes it may be an aftermarket exhaust, but if it's blocked then that will cause poor performance.
And by stock gearing, I mean the front and rear sprockets.
Sorry for the confusion.
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‘Lost in translation’ springs to mind...
How long has your bike been stuck at 80kph? (60 mph is slow and wrong)
Was it faster before? Has it always been so since tha 170 Athena kit? Did it come as a 170? More history is needed...Hazelnut brown is too dark, no?. Should be ‘tan’ ideally?? Been a while since I’ve had my last stroke (2)
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@SpookDog my bike has always been blocked both with the original cylinder and with the 170cc it has always done less than 80 km / h. the 170cc arrived new from a german site with everything you need i still have the box ...
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This post is deleted!
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@SpookDog you rev up without problems, before I turned the YPVS by 180 ° it reached a maximum of 8 thousand rpm, but anyway this is the problem here someone has to tell me if they know any mechanical block so inside or outside the engine and electronically
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me after making that post