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 i just got 2nd hand yamaha R25 v2

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g3n0c1d3
post Dec 21 2020, 07:29 PM

hai hai... kazuma dayo....
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QUOTE(megahertz @ Dec 21 2020, 09:43 AM)
hi guys,
i just bought 2nd hand yamaha R25 v2 2019 from my friend
- current mileage is 21k km
- he just changed tire, set of chain/sproket, engine oil, brake pad before sell it to me
- never done vc

abit profile about me
- never rode clutch and 250cc bike before
- ride scooter around 13years now. ( yamaha ego n then nmax, clocking almost 100k km with both )
- im doing my own engine oil service for my scooter

yesterday, i try to ride is around my neighbourhood, so want to ask few tips/opinion since i never ride this kind of bike before.
so any1 that hv rider 250cc 2cylinder before this

1. the clutch is 1st time for me, so still keep finding gear and learn to upshift and downshift correctly based on engine rpm. and i always change gear around 3-6k rpm. is this good enough ? as i feel this engine is mid-high rpm . the power come  after 6-7k rpm. so  is ok to change the  gear early as i dont want over stress the engine when ride slowly.

that should be good. 6k rpm should be a good indicator for u to change gears. 3k rpm is too low for me

2. around 6-8k rpm, i feel the handling is vibrating lil bit and feel my hand abit numb after few minutes.is this normal for R25 ? seem like its vibrate more than my scooter( my nmax is single cylinder, but the engine is at the swing arm, which is normal for scooter and is very smooth). from what i heard, 2 cylinder is better than 1 cylinder. but i think this case is diff since engine mount at diff place( chasis vs swing arm)

its called engine resonance. yes i did talked to one of the yamaha representative couple of years ago and he mention about this. the vibration can be felt around 80km/j around 6k rpm to 100km/j. my advise do get urself a glove so at least u wouldnt feel so fatigue when its vibrating

3. yesterday i also stuck at stopping at junction due to i cant downshift. i totally forgot for clutch bike, if u cant up/down shift, u need to move the bike lil bit forward/reverse then up/down shift when u stationary. any tips for braking until stopped ? or should i just downshif 1 by 1 until gear 1 and press light brake at the same time ?

as for me i just release the throttle and drop each gear while slowly brake till a full stop. i always make sure that my gear when stop is in neutral because i have a bad left hand (broke my arm and shoulders so i have a hard time griping the clutch for a long period).

4. from the engine oil small circle windows, i see the engine oil bit dark. and from the last service is at 1200km. is this normal ? because i think normally 1k after service, the engine oil should be lil bit dark yellowish. anyways,  i think i want to send for service later since its better that way. i like fresh oil and smooth engine.

depends on eo i guess... when i use amsoil it still looked like new even after 3k km mileage. i wont worry so much about the engine oill getting dark. as long as u service it as scheduled it should be fine

5. for VC, lots of model V1 of R25 got this kind of issue if not service and u will get valve issue and most utuber i see recommend to do the VC interval of 20-30k km. i see the manual is 10k which bit weird because i think way to early. any tips for this ?

VC around 10k km if u have the means to do it. if not 20k km is also fine. depending on the way u ride, if ure the kindda person who always goes for high revs and rough on ur engine, its better if u can do the VC earlier.

6. any tips i should note for this model R25 v2 ?

just ride it i guess...i had a blast riding my v1 r25 a couple of years ago. sold it around 30k mileage because i upgraded to a bigger bike.

thanks
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