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is it black smoke or whitish/bluish ?
black smoke is due to rich mixture .. and that results in poor performace..
model of bike?
how much km on odo ?
Well I experimented last year with different oils and abused it with increased oil change intervals.
Liquid moli > zic 4t > kixx 4t may be this is the root of problem.
Yes last time oil was reduced
I will try to check its carb checked but every hathuuda mechanic is saying ring piston problem.
That's I asked for any honest Honda ustad
One more sign there is black carbon in bikes exhaust pipe.
Thanks for help
black carbon means unburnt fuel.. ie. rich mixture..
do below experiment.
start the bike on doble stand..
start it.. now divide the throttle range in 4 parts.. 0-10 , 10-30, 40-70 , 70 - 100 % of throttle opening ..
apply throttle in every range and see if smoke is coming ?
if its coming in all range then it migth be due to loose ring/piston or leaky valves.. but the smoke should be bluish /whitesh . not pure black..
also check your spark plug against this chart
Dear thrilller black smoke cause is too much petrol is going into the engine for solution check bike carburetor+intake valve
Tried the method @asjdsm mentioned in shadowy place, Smoke color is blueish (apology for misquoting it earlier). I think this confirms its an ring-piston related issue.
Local mechanics demanding 2500rs for 3 hrs works for all this.
If i purchase the items from makhdoom autos and provide them then the labour will 500-600rs
mine '11 model 28k ODO gives smoke at extreme full throttle so i usually keep the rpm down and don't look behind
Euro 2 (mid 2012 to aug 2014) was a serious flop the number of claims which Honda dealerships experienced doubled with it as compared to previous years. Not sure about 2015 model though.
If you ride like there's no tomorrow, there won't be.
i have bought cg125 too its cg dream but as we know it has same engine that cg euro 2 has
i personally seen the bike which is most opened at mechanics for engine work is cg engine
i also doubt on its reliability even some mechanics saying its not reliable engine
but now lets see how it goes with me
i had heard alot of criticism on cd100 engine i bought it worked flawless with me for 20,000 km
after that i sold it i am sure it would have been still performing very well with me if i had kept it
our fellow racer7 pridor still working with no work his bike is 30k+ km's
Weak Engine can also give Black Smoke due to low compression but there will be white/blue smoke too along. U may visit Super Autos @ALLama Iqbal Road Near Sadar/DhramPura phatak (Railway Crossing) to have opinion The guy Aslam is one of the famous Honda 3S service Mechanic in Lahore.
Exploring Machines is my Passion...