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61 mm cylinder block

axon

Super Veteran
guys ,

just wanna share my experience in automotive world, leaking from our heads is not because of uneven torque of head bolts perhaps it happened that we disregard the dismantle sequence, uneven loosening of this 4 bolt can do warpage of our head and can cause of uneven surface specially the inner part of it close from the liner, in connection just loosen the head bolt in sequence too by diagonally, turn it about a few degree each bolt in cross pattern or diagonal, i'm just a newbie here as you can see in my profile , so its up to you guys if you listen to me...

just a cent of idea from newbie he he he ride safe
 

eddictive

New Member
Guys just want to share...

My previous bike set up was a 66mm piston with a 3mm raised pin. So in total i was running a 211cc sparkz... hehehe... it broke down after 6 months. Ceased on me with the coolant running into my engine... It was ok while it lasted. Reason for its seizure was because wrong top head gasket was placed, and the holes dont align with the blocks. So in the end, it was 6 months of fun... hehehe...
 

Rolly

Super Veteran
eddictive said:
Guys just want to share...

My previous bike set up was a 66mm piston with a 3mm raised pin. So in total i was running a 211cc sparkz... hehehe... it broke down after 6 months. Ceased on me with the coolant running into my engine... It was ok while it lasted. Reason for its seizure was because wrong top head gasket was placed, and the holes dont align with the blocks. So in the end, it was 6 months of fun... hehehe...
you should have replaced your cylinder head also to match the bigbore block...
 

Rolly

Super Veteran
i could now safely say that this block is a very good upgrade for our bike. i've been using this for 3,800 kms now. i've already tested it for three long rides (250 kms). these are continuous rides, i've only stopped during refuelling.
 

Sonnyjha

Super Veteran
61MM CMR user here..dkopa msyado mabirit wala pko 500kms..pero ramdam mona agad ung power..combine with Kitti V.spring, stage2 Yypang cams, R.Coil, BRT rcdi and R.SP.. = mamaw!! lampaso lang ang raider sayo kahit modified pa sya..
 

< JoMz >

Super Veteran
mga paps ok ba CMR 61mm katerno brt, faito cam, yypang short, at oko28 carb ?
for daily use at long drive.
ok na budget, decision making nalang problem ko :(
 

Rolly

Super Veteran
< JoMz > said:
mga paps ok ba CMR 61mm katerno brt, faito cam, yypang short, at oko28 carb ?
for daily use at long drive.
ok na budget, decision making nalang problem ko :(
What I'm currently using now is BRT Dualband, Kawahara cam, musashi tnt short, and Keihin PE 28mm. tested for daily use and very long travels. malaki tulong ng racing cam sa topspeed natin. any racing cam would improve the performance just make sure that the lift is not so big if you dont want to deepen the pockets in your piston.
 

thopiang

Super Veteran
CMR 61mm torture ride

central mindanao loop ride around 900 kms

no overheat, no leak and still running so smooth hehehe
 

Sonnyjha

Super Veteran
thopiang said:
CMR 61mm torture ride

central mindanao loop ride around 900 kms

no overheat, no leak and still running so smooth hehehe
wow dat was nasty!!
600kms na natatakbo ko sa CMR ko natry kona ibirit knina ng sagad ung 1st gear 65kmh sagad nya..
 

thopiang

Super Veteran
cmr 61mm user

1st long ride- cotabato city - makilala - tacurong - cot - around 400+ kms
2nd long ride - cotabato city - gensan and vice versa - around 250 kms
3rd long ride - cotabato city - gensan - digos - makilala - kidapawan city - midsayap - cotabato city - around 600kms
4th long ride - cotabato city - lanao del norte - iligan city - cdo - bukidnon - carmen - kabacan - cotabato city - around 900kms

used daily around the city

1 year and 4 months old heheheh, still running
 

Rolly

Super Veteran
thopiang said:
cmr 61mm user

1st long ride- cotabato city - makilala - tacurong - cot - around 400+ kms
2nd long ride - cotabato city - gensan and vice versa - around 250 kms
3rd long ride - cotabato city - gensan - digos - makilala - kidapawan city - midsayap - cotabato city - around 600kms
4th long ride - cotabato city - lanao del norte - iligan city - cdo - bukidnon - carmen - kabacan - cotabato city - around 900kms

used daily around the city

1 year and 4 months old heheheh, still running
what brand of oil are you using bro? currently i am using a fully synthetic castrol 1.
 

thopiang

Super Veteran
Rolly said:
thopiang said:
cmr 61mm user

1st long ride- cotabato city - makilala - tacurong - cot - around 400+ kms
2nd long ride - cotabato city - gensan and vice versa - around 250 kms
3rd long ride - cotabato city - gensan - digos - makilala - kidapawan city - midsayap - cotabato city - around 600kms
4th long ride - cotabato city - lanao del norte - iligan city - cdo - bukidnon - carmen - kabacan - cotabato city - around 900kms

used daily around the city

1 year and 4 months old heheheh, still running
what brand of oil are you using bro? currently i am using a fully synthetic castrol 1.
shell advance vsx
 

Sonnyjha

Super Veteran
yun din sabi sakin ng mech ko fully senthetic daw dapat..msyado nman mgastos.. im using repsol oil..
 

Rolly

Super Veteran
you can feel the difference in acceleration between using an ordinary oil from that of a fully synthetic oil.
 

Rolly

Super Veteran
< JoMz > said:
Rolly said:
you can feel the difference in acceleration between using an ordinary oil from that of a fully synthetic oil.
what specific brands do you recommend sir? tnx
as of now, the only brand of synthetic oil i have tried is the Castrol Power 1 Racing, more or less 450 per liter.
 

Sonnyjha

Super Veteran
johzz said:
@ Sonnyjha - anu gamit mong sprocket combi paps?? TIA
16front 38rear.. pang dulo pinili ko kasi ndi nman na iniinda ng engine ung arangkada pag kargado na makina mo..ndi kona msyado ramdam ung lag ng arangkada..
 
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