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 Yamaha LC135 Y15ZR Y16ZR Club - V18, King of kings

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0163119779
post Jun 10 2015, 01:37 AM

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I AM BACK!! WAHAHAHAHA....TIM your lc done d? KRZ dim?
0163119779
post Jun 11 2015, 01:19 AM

Casual
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473 posts

Joined: Feb 2010


Tonight got things to play with! I simulator the kips!!!
0163119779
post Jun 11 2015, 01:36 AM

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QUOTE(charge-n-go @ Jun 10 2015, 09:13 PM)
yup, in fact most of the pro engine tuners prefer to have short stroke and bigger bore. Reason is simple, higher rev and able to accomodate bigger valves. jackrod kit is good in a way to make engine feel more torquey at lower rev (higher momentum). Good for daily usage, but bad for racing application.  Another benefit of long stroke engine is lower weight and material used compare to bigger bore of the same cc. For the sake of cost saving and fc, many car manufacturers go for long stroke, but it is not so good for bike which needs to rev high to gain power.

Nice link there, that simulation just show some color and some reliability number without giving the exact figure like 3.5kft/min, waiting for your 200km tips also. omg
http://www.automationgame.com/about/
screenshot one of the engine design interface here.[attachmentid=4481299]
on the right, got some green logo, such as piston, conrod, knocking and etc. when turn into slight yellow, means slight reliability issue (reliability number will reflect), then it will start to turn yellow, orange and finally red.
*
Sometime i also think the same way with you. Cause what i know is shorter stroke can rev more. But long stroke will having more accerlation in low rpm. Just my cent but i saw suzuki belang and fx125 hv a very short stroke but bigger block.
0163119779
post Jun 11 2015, 07:36 PM

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but problem where have rod around 56mm can put in lc? What i calculate this way..
57mm fz block n forged normal piston. (Fz piston compression quite low)
56mm rod (let said la)
can make around 142 cc and i feel safe with that la...Haha
0163119779
post Jun 11 2015, 07:40 PM

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If i can found 55mm rod i still have 1 issue the the block height....kena potong block...haha
0163119779
post Jun 22 2015, 01:25 PM

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PJ? haha

 

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