DIY...

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Added on September 27, 2009, 9:37 pmwah charge.. cant wait to test the thai camshaft huh... .. lol.. btw wats the brand of valve spring u change?

This post has been edited by saranjeevi: Sep 27 2009, 09:37 PM

Charge, can i ask u smthing also? r u using big block or just stock? If u chg block, wat brand eh?

Racing Bee punya valvespring lo. hahaha, if you are in Penang, i'll ask u out together.


Me using big block, 58.5mm. The brand is Yaguso, full aluminium block.

wow 58.5mm.....hehe
so may i ask....
how much the cost??
how's the FC???
perfomance???
what carb u using??
hehe...to many question...

I am using Keihin PE28 carb, mainjet is #125, pilotjet is #38.
FC is good, full tank can go 140km - 160km, depends on riding style.
That block is about 160 excluding labour charge.


Saran, the camshaft is very good. Perhaps can try it on stock bike as well. The torque drop at 3000rpm and below is negligible, but starting from mid-low onwards, it rev all the way up to redline. There is no sudden rush in acceleration. Its a constant rush all the way, smooth up.

Tuning in progress now, perhaps need #130 mainjet and #42 pilotjet. I want to shift the powerband slightly to mid-high rpm.

fuh~ now charge wont look back anymore. his bike almost complete already for performance mode. not like mine, change back to everything stock, can only do 130-150kph (tunduk) only, really like old people riding la...

Ya, it's hard to look back when I am addicted, haha.

I've js finished 2nd round test. mid-low to mid-high is awesome, alot better than stock. The engine is smoother than before too. I think stock 135cc block also can use this cam. The low end should be doing quite well.

I think a 260 degree camshaft is a better choice for this 58.5mm block. 250 deg is slightly too mild. I am still not satisfied with the top end power.

Next up... change exhaust system to increase top end power... or change the cam again, hahaha.


* my speedo meter gear spoilt ady, dunno what's the new top speed for each gear. 3rd gear easily reach the redline and I feel scared to go full throttle at 4th gear.

wahh so jimat la ur FC.....huhu....
mine full tank about 100km only......myb the setting were not ok yet...
n top couldn't go more then 140km/h.....myb cause standard cdi n block.....
currently using keihin PWK 28mm n aftermarket exhaust...huhuhu......
pity me la.....huhuhu

Wawawa today i went to hotbike with my fren and i ''accidentally'' saw tiok yoshimura exhaust coated with carbon spray (of course it is replica la) RM170 comes with piping, the diameter and the length is slightly bigger and longer than Nob1 Triovale SS.. Quite nice and there is a logo written YOSHIMURA made in Japan kakakaka maybe someone should try it ^^

They say its worn out..i go back cheak edi..they say i using pirate oil filter..wtf..and they say they wont warranty me coz i use such oil filter..and they dun even noe where is the problem..they say either is the valve or block..if block spoil..the cost is 1k++more expensive den overhaul a car..somemore that oil filter how i noe is pirate one?box yamaha ori parts..even inside the plastic also..they can say wad they like =.=" today i go back my dealer..my dealer say its the cam shaft worn out..aiyo..really duno what problem..

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Added on September 28, 2009, 8:18 pmCharge are u from penang?penang foreman very pro overhaul LC?coz i see u change all those block and cam shaft that is racing type..i bet Hong Leong wont help u do so?

This post has been edited by Twist: Sep 28 2009, 08:18 PM

juz wanna ask u ppl la. if really don have money, izit ok if just change the cheapest shell EO (the 1 with da rm10 price)

P/S: this is the case with people who desperate & don have much money

wah, you must be speeding over 160km/h everyday, until the speedo also kiok

got my friend who used that muffler. sound not very nice, much more like Nob1 Triovale and not too loud,
can't match AHM or Nob1 Titanium. no idea bout the performance though.

dun worry man.. we'l meet one day for sure

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Added on September 28, 2009, 10:17 pmhmm... the cam's performance sounds good... i too thnk it'l go well with stock bike n 24/26mm carb.. hey charge, if u upgrade ur mj/pj then ur low rpm wil b more affected rite? me stil waiting for my cam... want to try it wit my std carb first.. want to ask r opinion, u thnk 30mm carb wil b ok wit 57mm blok? might get one for testing... hehehe

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Added on September 28, 2009, 10:24 pmflatslide carbs gud for acceleration rather than top speed... hw's ur pikup compared to stock?

This post has been edited by saranjeevi: Sep 28 2009, 10:24 PM

Keem bro help me ask ya, i dun wan my bike to be loud so maybe it is quite suit me.. Next year going KL le, so i m bringing my ''darling'' there, hope i can mod siao siao there...

Y not consider yamalube. If im not mistaken, its only rm12.. can't remember la.

oooo............. ok2. got 1 more question. how to take out the coverset around the neck ah? (around the basket place)
really2 sori if this question sounded like noob....

hahaha.. what are you going to mod?
better list it out first

which one, the black panel in the center under the basket, or the grey/black panel beside?

oo..i see....
pickup was better then the stock....hehe
but still semput semput la.....

28mm is not a good match with standard block. If you have a big pipe, it is even worse.


not all foreman are pro. only a selected few.


haha, speeding is ok. My meter gear spoilt because accel with 1st gear & brake too much. Meter tak tahan

30mm is too big for 57mm block. Even 28mm is too big for 58.5mm. 60.5mm should be js nice to pair wif 28mm.

Carburetor too big ady. 24mm should be better.

both of them it is (with master yoda slang, haha....)
the black panel under the basket is really confusing me. how to open it since the ignition starter is there?

This post has been edited by blue_decamax: Sep 29 2009, 10:39 AM