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NEED ADVISE ABOUT OVERHEAT AFTER CHANGING NAMBAN MUFFLER

SPEED RACER

Super Veteran
My friend sniper overheat after he install namban muffler, but before he use DBS, NOB 1 but no overheat issue..
ENGINE MODZ
60mm bore kit ( yamaha made )
big valve 19/23
LHK 2 racing cams
REXTOR cdi
MTRT ignition coil
vixion valve spring
28mm pe carburetor
pls. help..
 

jdmasfcuk

Member
haha your frend not alone sir speed.. i also have frend who use DBS on 60mm bore no problem. when switch to Namban, tuner take it for long ride but there is problem with overheat. tuner put back DBS and overheat no problem.

also cannot relate to problem because nothing change just pipe...
do you think something wrong with design?

maybe we have common frend, my frend name start with letter K :rolleyes:
 

SPEED RACER

Super Veteran
haha your frend not alone sir speed.. i also have frend who use DBS on 60mm bore no problem. when switch to Namban, tuner take it for long ride but there is problem with overheat. tuner put back DBS and overheat no problem.

also cannot relate to problem because nothing change just pipe...
do you think something wrong with design?

maybe we have common frend, my frend name start with letter K :rolleyes:
ah.. ok.. we just put back the DBS.. no overheat problem
i think namban muffler is not good for daily use co,z thailand design it for drag purpose..
 

jdmasfcuk

Member
ah.. ok.. we just put back the DBS.. no overheat problem
i think namban muffler is not good for daily use co,z thailand design it for drag purpose..
there are 2 types of Namban pipe for Sniper. one is long one is short(for Race use, bigger elbow)

my frend CP a.k.a Bastard use the short(Race Only) pipe but no problem, but maybe because his Bore size only to Vixion 57mm... the other one with longy pipe was with 61mm(sorry for confusion, it was 61mm not 60 hihi) then encountered problem. but when switched back to DBS everything normal.

I am tempted to try the Namban pipe because i want to compare between AHM and Namban since his pipe only hang from garage.. hopefully other users can express their thoughs..
 

SPEED RACER

Super Veteran
there are 2 types of Namban pipe for Sniper. one is long one is short(for Race use, bigger elbow)

my frend CP a.k.a Bastard use the short(Race Only) pipe but no problem, but maybe because his Bore size only to Vixion 57mm... the other one with longy pipe was with 61mm(sorry for confusion, it was 61mm not 60 hihi) then encountered problem. but when switched back to DBS everything normal.

I am tempted to try the Namban pipe because i want to compare between AHM and Namban since his pipe only hang from garage.. hopefully other users can express their thoughs..
me also bro i would to try namban muffler, but the feedback coming from my friend i feel disappointed, for now i stick to my DBS, but i'm planning to chance other brand either between this two ( AHM or DBS step 2 ).
 

4f7erx

Veteran
me also bro i would to try namban muffler, but the feedback coming from my friend i feel disappointed, for now i stick to my DBS, but i'm planning to chance other brand either between this two ( AHM or DBS step 2 ).
bro dbs user here. i been using this pipe for more than 3 yrs still intact. dbs d best
 

Paladin

Super Veteran
I don't think it's because of the pipe why it's overheating. Your friend also changed to big carb, I think it's because of the card with the absence of the TPS. Without it, the red light on the odo panel will lit. Same as with my problem.
 

BasTarD

Super Veteran
girls, try to adjust the air fuel settings because when changing to a big diameter pipe (thats so sexy...big diameter pipe...) the air fuel settings also changes because theres less backpressure on low to mid rpm....lean mix makes it hotter...
 

Paladin

Super Veteran
girls, try to adjust the air fuel settings because when changing to a big diameter pipe (thats so sexy...big diameter pipe...) the air fuel settings also changes because theres less backpressure on low to mid rpm....lean mix makes it hotter...
Your calling us names Bastard?
 

jdmasfcuk

Member
lolx... i think Paladin not get it papa Bastard...

@ Paladin... let me explain
apparently SPEED RACER, ME, BASTARD from the same island (Cebu)

BASTARD owns tuning shop for our Yamaha LC135 and I am customer..
its just a joke we call each other >>(girl) like we are gays.. lam mo naman cguro yun paps hihihi... but nothing meant for you papa..
 

BasTarD

Super Veteran
ok girls, things aside...
@paladin, no probs..love din kita...hehe

@ koreano...weve met na...pramis!!! hahaha
@jdm ...girl, hindi shop ang sa akin kundi munting kubo laang...hehe
 

jdmasfcuk

Member
@jdm ...girl, hindi shop ang sa akin kundi munting kubo laang...hehe
hoy exchuse me haa.. kahit munting kubo lang yun, dun naggagaling ang mga rareness anoh... daan ako ulet kase nami~miss ko na si mestisong bakla :p

anywhoo BTT...
i love my AHM
 

koreano

New Member
ok girls, things aside...
@paladin, no probs..love din kita...hehe

@ koreano...weve met na...pramis!!! hahaha
@jdm ...girl, hindi shop ang sa akin kundi munting kubo laang...hehe
Hahahaha,,,karon pako da,,,,ikaw di ay ni boss!!!!!unsa may bag o nimo diha run,,,
 
Mga bosing anong problema sa sniper 135 wlang nabago kundi muffler lang pero nag borot borot at nawawala ng lakas pag sinagad mu ang gasolina? anong pwde ayosin don?
 

Stockbore

Super Veteran
Mga bosing anong problema sa sniper 135 wlang nabago kundi muffler lang pero nag borot borot at nawawala ng lakas pag sinagad mu ang gasolina? anong pwde ayosin don?
that's normal sir. that is the so called revolution limit. your stock cdi wont allow your engine to have more rpm. to fix it, use racing cdi.
 
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