welcome bro.And how old is your engine oil when you took the ride. If it is very old then performance bound to reduce a little. Otherwise i have seen very small struggle in hunk to reach 100+.
Post 7K rpm struggle in hunk, I felt struggle to go through 6k+. Seems happened to you too.


, but it depends on your riding conditions . If the street temperatures exceeds 30C better go for 20w40 , if it mostly stays below 30C where you live stick to any good 10w30 .


. So I buy cheap minerals and change around 1500km use , dutifully . Rather than buy more expensive synthetic oil and drag it on for more to get my moneys worth out of a tired old oil . I'd rather spend more on petrol and ride more , even aimlessly around town ...
. The original recommendation ( in all old herohonda owner manuals ) was for servo multigrade 20w40 , honda too says 20w40 for unicorn ,so their bike's oils pumps being unable to pump a 20w40 etc etc advices appears to a a load of bull to me .


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