Gerry Jaloro
Super Veteran
14-40/15-42 is good enough for stock...

yep... 15t with 2 holes for 2 bolts...About to try it out sooner or later and see the results, but so far I kinda like the pick-up. BTW, I bought an engine sprocket 15t for RS100. Do you think it'll fit?![]()

can u give ur current set up sir?.. tnx and can u include ur weight?.. congrats for achieving that speed..
- proudly 150kph and going up.
ridesafe--
good day sir.. i have problem to my valve clearance. coz i dont know what exactly valve clearance of in__ and ex__???.. i use uma high cam and SPS head 20/22 bigvalve and highspeed valve spring.. and 62mm bore xray ceramic.. can u help me to fix it.Stock sprocket combination much better.. My mc top speed 130kph all stock. when i changed the mode of my mc i change it to 14/38 it almost same as stock but i top at 160kph this is the load of my bike crg cluch spring, oko flatslide carb 28, pj 39 mj 112 rextor cdi uma high cam, jvt v.spring yun lang po stock bore is powerful
Huh!!! Who says that ? Direct RCDI w/o Changing your valve spring ....What is the best sprocket combi sa 50/80-17 front and rear is 60/80-17 all stock? And is it true that on smx u dont nid to change the valve spring? Direct rcdi and 28mm carb without v.spring change?
Your welcome Bro!@jangbest thanks kuya i'm scared that's why, i have my new smx and i wanted to change my v.spring but its just a month old..because my brother told me that they will open my machine for it to change the v.spring. are there no other option aside from changing its v.spring like the other mc's just change carb and use rcdi?


...Just seek for advise dre. at first I just dream of this top speed of my mc but whith some help of our masters here and some effort you might eventually see what our bikes are capable of! ridesafe--Wow, you guys are lucky! My mx wont reach 120kph. What a bummer! Even with an open muffler. All stock.![]()
can u give ur current set up sir?.. tnx and can u include ur weight?.. congrats for achieving that speed..![]()

SAKTO! tama! agree sir. my stock intake valve springs got damaged and my valves deformed after changing my cam to racing and cdi to rcdi without changing the valvesprings to stiffer primarily. I have to bring it to yamaha center at bacolod just to fix that and believe me it cost me a heck of a cash. You are damn right sir! valve springs first. ridsafee--Huh!!! Who says that ? Direct RCDI w/o Changing your valve spring ....
Dont listen who ever tell you that info! That is the number 1 rule you need to change your vspring when your using RCDI. or else kaboommm engine ..
That what you call valve float ....SAKTO! tama! agree sir. my stock intake valve springs got damaged and my valves deformed after changing my cam to racing and cdi to rcdi without changing the valvesprings to stiffer primarily. I have to bring it to yamaha center at bacolod just to fix that and believe me it cost me a heck of a cash. You are damn right sir! valve springs first. ridsafee--





tnx sir
- Reached 155kph twice and gaining more, I'm just afraid of the strong vibration of the machine because of my sprocket combi maybe.
Here is my set up sir, hope it may help you:
BRT DUAL BAND RCDI
CMS VALVESPRINGS
FAITO ADVANCE LOWCAM
15-42 sprockets
namban pipe
stock carburator and jettings
smul man driver wiht 52kg
of course smul tire sets and a rim sets. hehe
just super stock and with the help of our masters advise ridesafe--
nicenice