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Top Speed Problem.please Help

G

ghostlyndon

New Member
good day masters , i have a problem on my MX
i use 14-36 sprocket combi and i got a top speed of 145 , but i can only reach it on the long straight road
on 14-38 i only got 130kph
on 14-40 only 125
btw my set

stock head
28mm carb
60mm bore kit
API R cdi Thailand
 
jangbest

jangbest

Moderator
ghostlyndon said:
stock cam.
Click to expand...
Something missing on your set! luckily your engine not exploding you know Ka booom ...

1st if you install RCDI you must also install a Racing valve Spring, and considering you upgrade your bore, you also must install a racing cams. and addition on this change your stock clutch spring to Racing Clutch spring, CRG Brand Will do! and do Port and polish your stock head to compensate the bore size that you install on your MC,

Trivia : you know that our stock head can only handle up to 59mm bore size .

Try my advice and you will see the outcome ... additional on your top speed ..
 
G

ghostlyndon

New Member
im from butuan city/surigao city sir. i already use a stiffer valve spring . cms brand
you can txt me sir for more advice 09099117580.
jangbest said:
@ghostlyndon Where is your location?
Click to expand...
jangbest said:
Something missing on your set! luckily your engine not exploding you know Ka booom ...

1st if you install RCDI you must also install a Racing valve Spring, and considering you upgrade your bore, you also must install a racing cams. and addition on this change your stock clutch spring to Racing Clutch spring, CRG Brand Will do! and do Port and polish your stock head to compensate the bore size that you install on your MC,

Trivia : you know that our stock head can only handle up to 59mm bore size .

Try my advice and you will see the outcome ... additional on your top speed ..[/QUOTE
Click to expand...
 
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