what power should i expect with modded 1409 cc
- Thread starter mark3evo
- Start date
mark3evo
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so we tested the long 80mm intake stacks ( which do not fir air box - as a test), mid length 60mm versus the OEM on last years engine.
long stacks made 208 hp with 124 lbft RED curve
Mid length stacks made 207.6 with 120 lbft PURPLE curve - New Current set-up
last year 205hp with 118 lbft GREEN curve
we still have a flat spot our view its the Akra 4in1 exhaust low end issue, whatever we do with fueling/ignition timing it don't improve
pity the air box cannot fit the long stacks - (Gen1 airbox if i recall is taller) as this makes power and torque improve everywhere, but at least the head mods are an improvement. Making 10 more HP mid range 6,500 and 8,000
i had a test ride last Wednesday and the in gear datalogging shows a noticeable improvement.
Bike arrives this tuesday night so will be comparing datalogging of new package, she seems to accelerate harder than the similar powered ZZR i have.
Carbon wheels help to accelerate harder.
long stacks made 208 hp with 124 lbft RED curve
Mid length stacks made 207.6 with 120 lbft PURPLE curve - New Current set-up
last year 205hp with 118 lbft GREEN curve
we still have a flat spot our view its the Akra 4in1 exhaust low end issue, whatever we do with fueling/ignition timing it don't improve
pity the air box cannot fit the long stacks - (Gen1 airbox if i recall is taller) as this makes power and torque improve everywhere, but at least the head mods are an improvement. Making 10 more HP mid range 6,500 and 8,000
i had a test ride last Wednesday and the in gear datalogging shows a noticeable improvement.
Bike arrives this tuesday night so will be comparing datalogging of new package, she seems to accelerate harder than the similar powered ZZR i have.
Carbon wheels help to accelerate harder.
mark3evo
Registered
nearly one year on , i was not happy with the Wossner pistons losing oil from the bores.
so bike engine is out another rebore to 84mm
engine partly put together 13.4:1 CR with good old CP pistons.
funny these 84mm pistons are in fact lighter than the 83mm Wossner pistons
hope to have engine back together for early june
so bike engine is out another rebore to 84mm
engine partly put together 13.4:1 CR with good old CP pistons.
funny these 84mm pistons are in fact lighter than the 83mm Wossner pistons
hope to have engine back together for early june
mark3evo
Registered
@ROADTOAD1340 It was 1406 but for some reason the wossner pistons wore out the bores, oil bypassed the rings
The CP pistons 84mm which makes the 1441cc
Motor turns by spanner on crank nice and smooth
Looking forward to the results
The CP pistons 84mm which makes the 1441cc
Motor turns by spanner on crank nice and smooth
Looking forward to the results
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mark3evo
Registered
Engine in and fired up , hoping to take the bike home and run in a few miles before dyno tune
Buy lithium battery I bought last year was dead
So I have to wait 2 weeks as shop closed for holiday
But engine is mechanically quiet with correct cam clearances
Looking forward
With a stock map and no ignition advance of fueling set up matched hp of 1406 and more torque up to 6,300 rpm made 139 hp
So much more to come
Buy lithium battery I bought last year was dead
So I have to wait 2 weeks as shop closed for holiday
But engine is mechanically quiet with correct cam clearances
Looking forward
With a stock map and no ignition advance of fueling set up matched hp of 1406 and more torque up to 6,300 rpm made 139 hp
So much more to come
Just a question, are you planning on track use or road use?
I ask because I know that the UK roads are so heavily policed and speeding is so frowned upon with huge penalties how could you even experience the benefits of all the time, work and money you’ve put into this bike?
So where can you test it?
On the drag strip?
I’ve enjoyed reading this thread, a lot of info to absorb… thanks!
mark3evo
Registered
Not as policed as you think, there were loads more cops on the road 40 years ago
Cutbacks or more woke paperwork to fill in who knows
I live in a rural area and can do 160 mph + when ever I want
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