Question about 2008 Beta RR 125 Motard

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Poor high performance

I took my first highway ride this morning

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And I was having very poor high speed performance. The bike could just barely hit 70-75 but I was loosing speed going uphill (even on slight grades). I could maintain 55-60 MPH but anything above that and the bike just didn't have any power. Probably needs a fuel system cleaning, Stu. Drive-train? Not likely, based on what you said. However, if the RPMs are rising without an increase in MPH, well... that's a different story. What won't help: High octane fuel nor octane boost. Your Honda should do fine with 87, and 93 ain't gonna clean the crud out. What may help: SeaFoam (from the auto parts store) may clean things out fairly well. I've had good success with it in situations like this, but it may take several doses to see improvement. Standard dosage is one ounce per gallon of gas. New spark plugs won't hurt but you may not notice any difference. What would be better: An all-out attack on the carbs, including disassembly, soaking in carb dip, re-build kits and a good synchronization. BTW, a decent carb-sync kit can be had for around $40. I'm glad you have a manual - lots of guys try to work on their bikes without 'em. Wacko Rolling Eyes It's like bashing my head against a wall... Oh... welcome to the forum!!!,,,

Posted on Nov 10, 2008

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