my bike is in workshop again. After 1000km run in, the engine is hard to start, because......

compression ratio is too damn high... really fark.

Need to kick start 20+ times only can start the engine, and sometimes makan engine oil a bit.

I'll either do a singh groove on the piston, or put gasket to decrease the compression a bit.

Hopefully my bike can be ready by the next Penang TT.

This post has been edited by charge-n-go: May 2 2010, 04:54 PM

here no one will sell his/her LC... hahah...

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Added on May 2, 2010, 6:44 pmyeayea... hope next TT more than 5 ppl go.. then would be nicer... =)

This post has been edited by Aaron135LC: May 2 2010, 06:44 PM

Not do a singh groove on head meh???

Bro cant use electric starter ar?? Bro can explain wat is singh groove...is der any other alternative ways to start without decreasing the compression ratio

big bore cannot use electric starter..

do not take out the decompression Pin ...Big Bore can use electric starter ..

tt @ shah alam??? when?

put 1.5mm metal gasket.

just came home yesterday after join a trip to cameron and ipoh. the corner damn syiok, but too bad i didn't have a chance to 'layan' cameron - simpang pulai road since I tumpang kawasaki versys on our way down to ipoh. overall, i was satisfied with my ride's performance although most part are stock. can tapau naza blade 250R once while playing around with the corner on tasik kenyir - felda aring road is great already

yeah, this is right. I use Big Bore and big Valve, still can use the electric starter. just don't take out the decompression pin.

fuiyo... 20 times kickstart only can start... and i did notice ur bike din use starter.. LOL

I already took out long time ago. Can use the electric starter after changing battery, the story now is diff bcoz it can be started in 1 time when temperature is cold. Hot temp hardly can start and also makan minyak. Most likely it is due to high overlapping in the camshaft + high compression. In modified car engine, changing the camshaft pulley to decrease overlapping helps to solve. Bike still dunno how, still waiting my friend to diagnose the exact problem.

thanks for your input guys.


haha, compression will lose a lot.

How bout this friday nite? ok tak?

aiyo, weekend lor....
friday nite got 1N2D to watch.....

This post has been edited by blue_decamax: May 4 2010, 01:24 PM

what is 'decompression pin'?

This post has been edited by alexei: May 4 2010, 05:00 PM

Then how's Saturday? 5 pm?

This post has been edited by joehunt: May 4 2010, 05:12 PM

remember take some pics and post up.. =))

sabtu ptg saya mau pegi ulu yam ada mandi manda..hehe..other time?

There is a thing that decompress a bit when we start the bike.


Anyone using big block here? I am just wondering what gasket are you guys using. Right now my compression is too high until gasket letup. The water coolant went into the combustion chamber. Tak makan minyak, those white smoke are engine coolant.

XD