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About Uma 62mm

botsok

botsok

Super Veteran
wateralpha said:
Still using stock carb main jet 10, stock cdi on uma block, uma cam, cms valve spring, ahm m1 with silencer on. Running 135 km/h in clark with silencer.
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wateralpha said:
32 to 35 km/L. 90/80 front tire. Average speed is 80 to 100 ( this is my cruising speed na). 1/4 to 1/2 throt can reach to 100 without effort. Im still on stock carb, rejetted lang.
I remove my silencer and i hit 140km in clark again with back ride. D pa pala sagad kasi i reach the stop light na going friendship exit. :D
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mamaw bike sir. it can reach 140 with back ride on stock cdi.. monster bike!
:D is your main jet 110? are you working in clark?
 
W

wateralpha

New Member
JhayBoo said:
Nice.... kaingit...
Click to expand...
JhayBoo said:
Nice.... kaingit...
Click to expand...
Kainggit?... Hehehehe. I know you have uma on your bike too.
Additional info.
I already use keihin pe 28 roundslide= good response, no bike fire and you can play your throtle like crazy( pwede sya biglang piga from close to full) but the consequence is low fuel economy, hard to start in the morning and " d mo mapipigilang bumarurot".
So i prefer rejetted stock carb for now= slightly good fuel economy, 1 click start in the morning.
Consequence naman=back fire ng konti, cant skip gears" need to get proper rpm before shifting and you cant play the throtle starting from fully close to full.
 
W

wateralpha

New Member
I have a question for uma cam and aftermarket valve spring users.
Is it normal for this two to make the cylinder head so noisy?
Mine gets a lot of tiktiktik sound. Is this normal? Any suggestion to lessen the noise like stock cam?
 
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