Useful Links for LC Owners :

King Of Moped 135 (KOM135)
Yamaha T135
Malaysian Bikers Community (MBC)
Moped Riders Community (MRC)

LYN 135LC Club V1
LYN 135LC Club V2
LYN 135LC Club V3
LYN 135LC Club V4
LYN 135LC Club V5

Whose name is not in the list, kindly PM me your details as above



This post has been edited by Are_keem: Oct 30 2010, 09:39 AM

Our Proud Ride!!

1. Spayz's ride :

2. xtreme_paranoid's ride :

3. charge-n-go's ride :

4. Are_keem's ride :

5. scoffer's ride :

6. kinwei3250's ride :

7. LilCroSs's ride :

8. samba18's ride :

9. UncleCheang's ride :

10. budakmentah's ride :

Our Proud Ride V2!!

11. Na0ki's ride :

12. DontdoDRUG's ride :

13. jsteoh93's ride :

14. Aaron135LC's ride :


This post has been edited by Are_keem: Aug 26 2010, 02:50 PM

Tips to Improve Engine Performance

Minor mod (increase acceleration)
1. Remove air filter. (Penang people can find me, FOC)
2. Reset carburetor air-fuel setting. (Penang people can find me, FOC)
3. Set valve tapette to 10 IN and 15 OUT. - RM30 labour charge @ New Bee Hock motor, Penang.
4. Change to 15-40 with 415 chain. - RM100

Major mod
coming soon...


Tips to Improve Handling Performance
coming soon...


Sprocket Combination (Stock CDI)

acceleration + = increase by xx%
acceleration - = decrease by xx%

15-35 - 1st : 48kph, 2nd : 90kph, 3rd : 130kph, 4th : 180kph; acceleration - 10.0%
15-36 - 1st : 46kph, 2nd : 86kph, 3rd : 125kph, 4th : 175kph; acceleration - 7.8%
15-37 - 1st : 44kph, 2nd : 83kph, 3rd : 122kph, 4th : 169kph; acceleration - 5.1%
15-38 - 1st : 43kph, 2nd : 80kph, 3rd : 118kph, 4th : 160kph; acceleration - 2.6%

15-39 - 1st : 42kph, 2nd : 78kph, 3rd : 115kph, 4th : 155kph; acceleration no change

15-40 - 1st : 41kph, 2nd : 75kph, 3rd : 111kph, 4th : 151kph; acceleration + 2.6%
15-41 - 1st : 40kph, 2nd : 73kph, 3rd : 108kph, 4th : 148kph; acceleration + 5.1%
15-42 - 1st : 39kph, 2nd : 71kph, 3rd : 105kph, 4th : 144kph; acceleration + 7.8%
15-43 - 1st : 38kph, 2nd : 69kph, 3rd : 102kph, 4th : 140kph; acceleration + 10.0%

After changing racing CDI >> top speed for 4th gear can add about 10 - 20kph.

*Note* The above data is an estimation of potential top speed for each gear, and may vary from bike to bike.


Carburetor General Tuning Guideline:

A. Change the idle air-fuel mixture setting 1st.
B. If still not satisfied, change the needle position.
C. If none of the needle position is good, change the jettings.


A. Idle air-fuel mixture settings
1. Air screw set at about 2.5 turns for stock airflow. Modified exhaust + air filterless can use 2 turns.
2. Idle rpm increase a little more than normal.

B. Needle setting
1. There are 3 ticks on the needle jet.
2. The lowest tick will give us good FC, as it limits more petrol to flow from mainjet @ half throttle
3. The highest tick will give us bad FC, as it let more petrol flows from mainjet @ half throttle.

However, highest tick does not mean best acceleration. If too much petrol flows into the venturi, the mixture will become too rich. This will decrease the power at high rpm. So, try different needle clip position and feel which one has the best results.

C. Jet size setting
1. Change mainjet to #107.5 (stock #105)
2. Change pilotjet to #22.5 (stock #20). If there is no performance increase, then stick back to #20.
3. Change mainjet to #110 + pilotjet #22.5. <-- this should be a good pair.

Anything more than #110 mainjet will make the engine feels heavy, bcoz the mixture becomes too rich.


Disc Brake Tuning Meteorology

The theory covers the relationship between the total areas of the brake pots (Note, its area not count), brake pads, masterpump, the rigidity of the brake hose and the property of the brake pads. The point of improvement is to look for the limit of the system and upgrade it.

1. Single pot is less prone to uneven brake force compared to multiple pots when in case one of the pot jams.

2. Changing the brake rotor is a start. But if you do not see improvements, that means rotor is not the limitation, and you need to change other things to do a stopee (Nose brake).

3. Change brake hose to steel braided, so it is less likely to expand and eat up the brake budget. Try this, wrap ur hands around standard brake hose, and press the brake you will feel it expand. Anymore you press also won't increase braking performance.

4. Change to DOT5 brake oil (normal 1 can, but easily overheat. I go hill run for >1 hr, DOT5 is mandatory)

5. Change brake pads, I use Ferodo imported by Racing Boy. Ask for original ones, one set front about RM30~40. You can see more copper strands on the pads. Other good pads use metal strands so u can see silverly metal strands.

6. Must stiffen front fork absorber, and add a stabilizer bar. Use 15W-20 fork oil, make it about 25% stiffer than stock. 20W-50 fork oil is too stiff bcoz the oil is too not lean enuf, the bound and rebound SUX, I feel like riding on a horse. The traction sux too, bcoz front tyre can hardly grip on the road when going through uneven road (esp penang road).

7. Use ABS device (about RM100) <-- optional

** many thanks to bro charge-n-go and bro alexei for the useful tips
stay tune for more tips

p/s : if anybody wanna share their modding tips too, you can PM me or just post in the thread, and I will update this post

This post has been edited by Are_keem: Aug 26 2010, 02:50 PM

Gentleman, start your engine posting now

number 1! hoho... i'm as fast as lightning! hahahha

This post has been edited by Aaron135LC: Aug 23 2010, 10:53 PM

ROFL ! 2nd !

zelk.. u called jeffrey d ar..? wat he said..? haha

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Added on August 23, 2010, 10:55 pmnot yet call, hv to c wht time c free also coz he working shift or office hour????

This post has been edited by 8zelk8: Aug 23 2010, 10:55 PM

guys, on the last post something about the Thai ori CDI.. mana beli ? anyway really gtg sleep.. nite guys..

u can call him after 6pm.. he still working in factory or something.. he say he part time is at night mod bike.. LOL.. so mayb at night 7pm also u can call him ade..

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Added on August 23, 2010, 10:59 pmi tot u said ur fren Lean Seng selling u cheap.. ?

This post has been edited by Aaron135LC: Aug 23 2010, 10:59 PM

ok tmr after c tio the pricelist than only call him 4 assist on it.

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Added on August 23, 2010, 10:59 pm*Lean Seang

This post has been edited by 8zelk8: Aug 23 2010, 10:59 PM

ok, got to go now guys. got 2 quizzes tomorrow

happy posting here^^

true.. u ask for the list.. and write down.. u call him time.. tell him u going to mod ur bike this and this.. see wat he got to say.. see his opinion.. get 2 ppl's opinion on modding the bike.. always see 2 side... =)

jeffrey = ex BM power workman ? @@

we are happy! HAHAH... good night!!!

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Added on August 23, 2010, 11:02 pmyeap.. jeffrey is ex bm power workman.. his another partner is david.. also known as 'ah k' pronounce as chicken in hokkien.. LOL!!!

This post has been edited by Aaron135LC: Aug 23 2010, 11:02 PM

why? you want find EX5 wan?

yeah coz need some info about ex5 also.

hey bro alex.. why is that tzm install wan windscreen is called as bubble something screen.. i like that design.. very nice...many sbk install taht look awesome..

ROFL !! xD Then you want mod your ori pipe ?