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Crippled 135LC in M'sia

charge

Veteran
Yesterday I went to a bike modding shop. The owner told me M'sia government limited the moped bike speed to around 120 - 130kph only (actual 100kph).

Hence, all Yamaha bikes here has no potential to go beyond 130kph, even the new 125ZR can only do 130+kph and this is realllyyy pathetic. The hand-clutch 135LC do about 120kph only.

He gave me a tips - go back to Yamaha dealer and retune the TPS. It seems that they use TPS to cripple the amount of petrol going into engine. Even if we full throttle, it might be equivalent to the 1st model 1/2 throttle only.

Summary:
1st model -> top speed 160 - 170kph
2nd model -> top speed 140 - 150kph (my 135LC)
3rd model -> top speed 120 - 130kph
4th model -> top speed 100 - 110kph????? :p

So after unleashing the full potential, we are supposed to get 160 - 170kph (depending on body weight).
 

Carol TT

Veteran
its not true, i have played around with 135lc from the 1st model till the latest model now, all has the same power
 

justkir

Super Veteran
surprisingly....i was thinking that the 1st model will have extra power, as we all know that normally the 1st model is a promotion to get more customer, once the target market realized, then manufacturer will slowly reduce the power... i just don't understand this.!
 
thats so funny haha...y dont u open all your T135 engine component, check wat have been mod to reduce it performance.. dont u know about engine capabilities?? 8)
 

charge

Veteran
hahaha, that's what i heard and share with you guys. It could be correct or wrong. The engine capability is still there. They just electronically crippled it by reprogramming the TPS and cutoff revolution, which i think is possible.
Hence, in my opinion, the 1st step to get back what we supposed to have is re-tuned the TPS.

I can only reach 150kph top speed so far after optimized the carburetor settings. Carol TT, what is the max speed you are able to get?
 

rudduan

Super Veteran
maybe its true or maybe not,but one thing that is true the 135LC qualities now are not as same as the first model...the engine sound more rough,the H/C version engine sound even louder than the exhaust,my brother go back to HLY shah alam to solve the problem,now its sound not as loud as before.....
 

MieFunny

New Member
Let say what Charge say is true.. where the TPS controller located? inside CDI or Carb? Can DIY or other Mechanic do it?
Don't know when Penang Yamaha fully operational may be by 2020 I GUESS.
 

135lcSS

Super Veteran
haha..miefunny im know ur tremendously pissed off with HLY penang...hmm maybe its rite..hey first model goes until 190km/h second model 170km/h 3rd model which is hand clutch version 170km/h also la..i've tried it... 4th model dunno maybe same with second ..it depends on how u manage ur bike when u first bought it..if u go topspeed at the first day u bought it surely u'll get 160kph at first then no more..just like what i did..big mistake T_T...
 

Devil

New Member
190kmph ? Stock ? Anyway mine was second model. But I'm going for the hand clutch next year or maybe I'll just grab the new cbr 150r. Launching soon in malaysia.
 

charge

Veteran
miefunny: we need Yamaha mechanic to do it, because TPS is the electronic device that control the amount of petrol into carburetor (something like ECU mapping).

135lcSS: I run in according to the recommendations in manual. Well, 150kph is what i achieved when bike is about 2000km on odo. Now ady 6000+km, dunno can do 170kph or not :p

I also very pissed with Yamaha Penang, they are so ego and sux in service, especially the old uncle. He thought himself is damn expert, but in fact he is just a more experience technician, not even a qualified engineer! Always talk cock about how good is he in modifying bikes, theory oso not very strong.
 

tsunami

Super Veteran
Devil said:
190kmph ? Stock ? Anyway mine was second model. But I'm going for the hand clutch next year or maybe I'll just grab the new cbr 150r. Launching soon in malaysia.
Hope so
 

tsunami

Super Veteran
Devil said:
190kmph ? Stock ? Anyway mine was second model. But I'm going for the hand clutch next year or maybe I'll just grab the new cbr 150r. Launching soon in malaysia.
Hope so coz i'm already bored with this "slow" t135lc onroad
 

traxxas-modifier

Super LOLO
Staff member
guys

TPS is just a sensor. (throttle position sensor)
its like the same as in your audio stereo system, VOLUME CONTROLLER

TPS is made of potentiometer.
as soon as the accelerator is increase, it also moves the TPS
(rotating it) changing the resistance.

with the change of the resistance of the TPS, the CDI will know
that the throttle is on 50% or 75% or 100%

so, TPS is a sensor that informs the cdi the location of the throttle
in order to give the engine the best performance at a specific throttle
location.

how to tune
http://www.yamahat135.com/forum/viewtopic.php?p=11170

heres some pictures of the TPS
http://www.yamahat135.com/forum/viewtopic.php?t=345
 

hyattousai

New Member
charge said:
Yesterday I went to a bike modding shop. The owner told me M'sia government limited the moped bike speed to around 120 - 130kph only (actual 100kph).

Hence, all Yamaha bikes here has no potential to go beyond 130kph, even the new 125ZR can only do 130+kph and this is realllyyy pathetic. The hand-clutch 135LC do about 120kph only.

He gave me a tips - go back to Yamaha dealer and retune the TPS. It seems that they use TPS to cripple the amount of petrol going into engine. Even if we full throttle, it might be equivalent to the 1st model 1/2 throttle only.

Summary:
1st model -> top speed 160 - 170kph
2nd model -> top speed 140 - 150kph (my 135LC)
3rd model -> top speed 120 - 130kph
4th model -> top speed 100 - 110kph????? :p

So after unleashing the full potential, we are supposed to get 160 - 170kph (depending on body weight).

sounds like dengki jek...
hua3....
mine extreme spirit got 175 wit 2 people at highway and the important thing is my engine are fully stock!!!
 
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