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Forum: 2008 - 2012 Ninja 250R Tech Talk Today, 02:26 PM
Replies: 147
Views: 37,479
Posted By Mohawk
Well I'm still here, the bike is too. But I never...

Well I'm still here, the bike is too. But I never got round to finishing the big bore, as I'm now building a 300 based big bore 315cc using new gen cylinders bored to 64mm with ZZR600 pistons.
Forum: Ninjettes At Speed Today, 02:18 PM
Replies: 3
Views: 142
Posted By Mohawk
Have a look here for slipons...

Have a look here for slipons https://dan-moto.com/collections/gpx250r
Forum: General Motorcycling Discussion Today, 11:24 AM
Replies: 6
Views: 231
Posted By Mohawk
Can you re-engine the bike ? The newer 250 &/or...

Can you re-engine the bike ? The newer 250 &/or 300 engine will fit. I'm updating my ZZR with a 300 engine fitted with 64mm bored newgen 250 cylinders running ZZR600 pistons for 315cc with 12:1...
Forum: General Motorcycling Discussion June 8th, 2024, 01:15 AM
Replies: 6
Views: 231
Posted By Mohawk
The pregen + ZZR used standard style exhaust...

The pregen + ZZR used standard style exhaust flange headers, with split collet clamps & are larger bore than the newgen & EX300 which use an internal pipe extension that slots into the head & a flat...
Forum: 2008 - 2012 Ninja 250R Tech Talk April 18th, 2024, 04:07 AM
Replies: 25
Views: 4,959
Posted By Mohawk
So you should be able to run pump gas at that DCR...

So you should be able to run pump gas at that DCR & save a fortune on expensive high octane fuel ��
Forum: 2008 - 2012 Ninja 250R Tech Talk April 17th, 2024, 10:03 AM
Replies: 25
Views: 4,959
Posted By Mohawk
NP what DCR did you end up with ?

NP what DCR did you end up with ?
Forum: 2008 - 2012 Ninja 250R Tech Talk April 17th, 2024, 02:05 AM
Replies: 25
Views: 4,959
Posted By Mohawk
OK so just re-read this thread to get back up to...

OK so just re-read this thread to get back up to speed, it's been a while.
The Pre-gen 250 has always had 12.5:1 SCR. Running 10.6:1 DCR.

The 300 because it was sold in South East Asia as well...
Forum: Ninjettes At Speed February 19th, 2024, 02:44 PM
Replies: 11
Views: 5,067
Posted By Mohawk
So for racing use unsealed chain for minimum...

So for racing use unsealed chain for minimum losses. For the road use an X-ring chain. No real benefit on the road to a race chain or smaller than stock size, it will just wear quicker.
Quality...
Forum: General Motorcycling Discussion February 17th, 2024, 12:24 PM
Replies: 2
Views: 2,256
Posted By Mohawk
The problem with MotoGP's lack of rider testing...

The problem with MotoGP's lack of rider testing means it's much harder to get the bike adjusted to suit the rider. Whilst Marquez is a talented rider he has never been a development rider. Look what...
Forum: 1986 - 2007 Ninja 250R Tech Talk February 17th, 2024, 12:12 PM
Replies: 31
Views: 6,041
Posted By Mohawk
Theres not really much difference as the ZZR came...

Theres not really much difference as the ZZR came with a 17" wheels. That said the KR1-S forks & swingarm moved both wheels backward relative to the frame. That definitely improved the turn in, this...
Forum: 1986 - 2007 Ninja 250R Tech Talk February 13th, 2024, 02:22 AM
Replies: 31
Views: 6,041
Posted By Mohawk
I switched to KR-1S front end on my ZZR so run a...

I switched to KR-1S front end on my ZZR so run a 17" wheel now.
Forum: Riding Skills February 13th, 2024, 01:59 AM
Replies: 5
Views: 1,618
Posted By Mohawk
Book yourself into a race school & learn to ride...

Book yourself into a race school & learn to ride properly. Like everything in life some people have a feel for it, some don't. As mentioned above trying to hang on to faster riders will result in a...
Forum: 2013 - 2017 Ninja 300 Tech Talk February 11th, 2024, 02:16 PM
Replies: 6
Views: 3,315
Posted By Mohawk
I can understand if it wad a remote reflash....

I can understand if it wad a remote reflash. Can't you find a local place to do it ?
If you have an AFR meter just work from that, I did that on one of my other bikes, just made mental note when...
Forum: 2013 - 2017 Ninja 300 Tech Talk February 11th, 2024, 01:31 PM
Replies: 6
Views: 3,315
Posted By Mohawk
I thought you were just worried about running the...

I thought you were just worried about running the engine before dyno tuning & I was referring to the manual dials on the FC. If you have an external AFR meter then just ride it & adjust as you go.
...
Forum: 2013 - 2017 Ninja 300 Tech Talk February 11th, 2024, 09:29 AM
Replies: 6
Views: 3,315
Posted By Mohawk
To get the % increase for the extra air volume,...

To get the % increase for the extra air volume, you need to know the current duty cycle for the injectors. The FC has manual adjust settings, just add 10% at all 3 areas & take it from there. Note...
Forum: 1986 - 2007 Ninja 250R Tech Talk January 6th, 2024, 04:35 PM
Replies: 10
Views: 1,091
Posted By Mohawk
You can't adjust it out. It's not an adjustable...

You can't adjust it out. It's not an adjustable thing, it's a design thing, as in poor/cheap pic one or both.
Forum: 1986 - 2007 Ninja 250R Tech Talk January 2nd, 2024, 03:42 PM
Replies: 10
Views: 1,091
Posted By Mohawk
That knocking is the knackered clutch plastic...

That knocking is the knackered clutch plastic bushings. I know it well if you search on here you should find a post from me from a few years ago, where I replaced my clutch with one from a 2008-2012...
Forum: 1986 - 2007 Ninja 250R Farkles December 29th, 2023, 05:26 AM
Replies: 215
Views: 45,257
Posted By Mohawk
Looking good, but you need to rethink that rear...

Looking good, but you need to rethink that rear under tray unless you plan on zero rear suspension movement.
Forum: 2013 - 2017 Ninja 300 Tech Talk December 27th, 2023, 05:49 AM
Replies: 4
Views: 1,215
Posted By Mohawk
I think you have a poor understanding of engine...

I think you have a poor understanding of engine manufacturing. It is NOT 100% accurate, hence things like valve clearances have to be set for every valve. The engine does not need to run. They are...
Forum: 2013 - 2017 Ninja 300 Tech Talk December 23rd, 2023, 05:55 AM
Replies: 4
Views: 1,215
Posted By Mohawk
You need to use a micrometer to measure the shim...

You need to use a micrometer to measure the shim thickness. They are all different at the factory just like you they measure the clearance & adjust to the correct gap when new. As it wears in then...
Forum: 1986 - 2007 Ninja 250R Tech Talk December 8th, 2023, 11:57 AM
Replies: 2
Views: 6,310
Posted By Mohawk
Just go to gearing commander & plug in your...

Just go to gearing commander & plug in your numbers. My guess is you find stock gearing to low, but do you rev the bike ? I've seen so many people on various forums who want to ride with Harley revs...
Forum: 2013 - 2017 Ninja 300 Tech Talk November 29th, 2023, 11:56 AM
Replies: 5
Views: 4,310
Posted By Mohawk
Good work but why not just put a cooler on the...

Good work but why not just put a cooler on the head lube hose ? I did that on my ZZR250 �� Much simpler to plumb in.
Forum: 2008 - 2012 Ninja 250R Tech Talk October 28th, 2023, 08:20 AM
Replies: 1
Views: 689
Posted By Mohawk
I believe from reading this thread that Fi code...

I believe from reading this thread that Fi code 62 is a problem with the secondary throttle plate actuators.

https://www.kawasakiworld.com/threads/diagnostic-code-62-subthrottle.46411/
Forum: 1986 - 2007 Ninja 250R Tech Talk October 25th, 2023, 02:32 PM
Replies: 1
Views: 547
Posted By Mohawk
If its a 2007 pre-gen then its a known fault that...

If its a 2007 pre-gen then its a known fault that the clutch dampers get brittle then break up. Then the clutch gets noisy & it sounds like bad big end bearings. I replaced the complete clutch on...
Forum: 2013 - 2017 Ninja 300 Tech Talk October 24th, 2023, 02:59 PM
Replies: 2
Views: 725
Posted By Mohawk
It should slot in on the rear mounts & mate to...

It should slot in on the rear mounts & mate to the top mounts with a small modification or you can get the 300 top mounts & bolt them straight in. I'm working on the same for my ZZR250 to become a...
Showing results 1 to 25 of 483

 
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