Tweet
****Update specs as of 14/04/2010****
Its my 7 months old R15 with 12000kms on the odo and not stock anymore. Completed a performance build about 2 days ago.
Here are a few specs of the bike as of now. The specs are always due for changes as and when I desire.
This is purely a street build and not a race build. key is reliability, economy and rideability.
Engine:
*Ported and polished cylinder head with altered port geometry
*Custom designed valve springs
*Stock Valve sizes
*Full Race camshaft with custom ground profile
*High compression set-up
*165cc
*Fine tuning and set-up corrections
*Max revs - 12500rpm
*Stock throttle body and intake tract
Fuel management:
*Stock Injector
*ECU (under development)
*Altered fuelling
Gearing:
*Stock sprockets
*Stock Gearbox
*Stock Clutch
External:
*Stock looks
*Hand crafted Tuned Free Flow exhaust
*Full stock weight, no lightening
Performance:
V-box test
My R15
0-60kph - 3.2secs
0-100kph - 8.5secs
0-400mtrs - 16secs
400mtrs - 132kph
max speed achieved in 1km - 155kph
Stock R15
0-60kph - 4.6secs
0-100kph - 13.65secs
0-400mtrs - 18.5secs
400mtrs - 114kph
Updated as per V-box tests on 21/06/2009
Top-speed – 140kmph (As tested on 24/15/2009 on GPS and Speedgun, with rev-limiter cutting off speeds @ 10000rpm)
The engine has higher low-end torque than a stock R15 untill 5000rpm and from then on, it gets into the powerband with a stronger pulse. The engine is very streetable and reliability is as much as stock. After being thrashed for over 200kms last afternoon and being pushing to top-speeds numerous times as part of my destructive tests, there was not a hitch in performance or engine NVH levels. The engine stills returns decent fuel efficiency for the power it generates. It’s approximately around 30-35kmpl.
Last afternoon, when we tested the bike, a stock R15 would clock 119 to a max of 125kmph on a hopelessly windy road (with multiple efforts) and at the same point my R15 clocked 131-138kmph. And recorded a max of 140kmph on a clear patch, with the rev-limiter kicking in @ 10000rpm.
I will also do a Dyno run and post results here.
Pictures and a video clip are with our boys. They should post up in a while now
A small video of the exhaust note and the rpm climbing.
Rediff iShare: Joels yamaha R15
Joel
Its my 7 months old R15 with 12000kms on the odo and not stock anymore. Completed a performance build about 2 days ago.
Here are a few specs of the bike as of now. The specs are always due for changes as and when I desire.
This is purely a street build and not a race build. key is reliability, economy and rideability.
Engine:
*Ported and polished cylinder head with altered port geometry
*Custom designed valve springs
*Stock Valve sizes
*Full Race camshaft with custom ground profile
*High compression set-up
*165cc
*Fine tuning and set-up corrections
*Max revs - 12500rpm
*Stock throttle body and intake tract
Fuel management:
*Stock Injector
*ECU (under development)
*Altered fuelling
Gearing:
*Stock sprockets
*Stock Gearbox
*Stock Clutch
External:
*Stock looks
*Hand crafted Tuned Free Flow exhaust
*Full stock weight, no lightening
Performance:
V-box test
My R15
0-60kph - 3.2secs
0-100kph - 8.5secs
0-400mtrs - 16secs
400mtrs - 132kph
max speed achieved in 1km - 155kph
Stock R15
0-60kph - 4.6secs
0-100kph - 13.65secs
0-400mtrs - 18.5secs
400mtrs - 114kph
Updated as per V-box tests on 21/06/2009
Top-speed – 140kmph (As tested on 24/15/2009 on GPS and Speedgun, with rev-limiter cutting off speeds @ 10000rpm)
The engine has higher low-end torque than a stock R15 untill 5000rpm and from then on, it gets into the powerband with a stronger pulse. The engine is very streetable and reliability is as much as stock. After being thrashed for over 200kms last afternoon and being pushing to top-speeds numerous times as part of my destructive tests, there was not a hitch in performance or engine NVH levels. The engine stills returns decent fuel efficiency for the power it generates. It’s approximately around 30-35kmpl.
Last afternoon, when we tested the bike, a stock R15 would clock 119 to a max of 125kmph on a hopelessly windy road (with multiple efforts) and at the same point my R15 clocked 131-138kmph. And recorded a max of 140kmph on a clear patch, with the rev-limiter kicking in @ 10000rpm.
I will also do a Dyno run and post results here.
Pictures and a video clip are with our boys. They should post up in a while now
A small video of the exhaust note and the rpm climbing.
Rediff iShare: Joels yamaha R15
Joel
), except - KEEP UP THE GOOD WORK BUDDY!!!!!!!
can't imagine the performance... Even a stock R15 had satisfied my needs...
Comment