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Forum: 2008 - 2012 Ninja 250R Tech Talk Today, 05:30 PM
Replies: 5
Views: 79
Posted By DannoXYZ
Depends upon set you get. Some people have had...

Depends upon set you get. Some people have had issues with too much current.

https://www.ninjette.org/forums/showthread.php?t=259402
Forum: Ninjettes At Speed Today, 08:47 AM
Replies: 132
Views: 5,105
Posted By DannoXYZ
Both heavier than stock. Check with Spears...

Both heavier than stock.

Check with Spears Racing for upgrade parts. He's been most helpful to me over the years.

Budget builds can use even better parts. +4 +5mm over using ZX-6R cylinders and...
Forum: 1986 - 2007 Ninja 250R Tech Talk Today, 08:43 AM
Replies: 24
Views: 4,244
Posted By DannoXYZ
Hi and welcome! Were you having carb issues...

Hi and welcome!

Were you having carb issues before?
Forum: 2008 - 2012 Ninja 250R Tech Talk Yesterday, 01:33 PM
Replies: 5
Views: 79
Posted By DannoXYZ
Saves some weight too! :)

Saves some weight too! :)
Forum: 2008 - 2012 Ninja 250R Tech Talk August 7th, 2022, 08:07 PM
Replies: 5
Views: 79
Posted By DannoXYZ
hi, have you isolated problem to actual ignition...

hi, have you isolated problem to actual ignition coil itself?
As in swapped coils between sides and have problem move with coil to other side?

Most of times, it's wiring issues that cause...
Forum: General Motorcycling Discussion August 5th, 2022, 11:04 PM
Replies: 13
Views: 223
Posted By DannoXYZ
My hope is 65-70bhp in 380-lbs wet package......

My hope is 65-70bhp in 380-lbs wet package... might be optimistic though...

Last 400 supersport U.S. got was 1988-1991 FZR400

64bhp
410lbs wet-weight
0-60mph in 3.7s
1/4-mile 12.43sec....
Forum: Ninjettes At Speed August 5th, 2022, 01:31 PM
Replies: 132
Views: 5,105
Posted By DannoXYZ
yeah, should be OK.

yeah, should be OK.
Forum: 1986 - 2007 Ninja 250R Tech Talk August 4th, 2022, 07:05 PM
Replies: 4
Views: 85
Posted By DannoXYZ
Wow, that's pretty bad! This is usually due to...

Wow, that's pretty bad! This is usually due to letting valve-clearances get too tight with wear. The valves spend less time touching the seat. Which is how they're cooled. Exhaust valves face harder...
Forum: 1986 - 2007 Ninja 250R Tech Talk August 4th, 2022, 04:31 PM
Replies: 6
Views: 119
Posted By DannoXYZ
Yes, HUGE weight-savings going to 2-1. Check out...

Yes, HUGE weight-savings going to 2-1. Check out this Area P pre-gen exhaust thread:
https://www.ninjette.org/forums/showthread.php?t=13852

Since it's already tuned for max-power at high-RPMs,...
Forum: General Motorcycling Discussion August 4th, 2022, 04:22 PM
Replies: 13
Views: 223
Posted By DannoXYZ
Yeah major manufacturers have so many constraints...

Yeah major manufacturers have so many constraints on their designs. I want 2-stroke turbo!!! ... and 150bhp!!! :)
Forum: New Members August 4th, 2022, 04:20 PM
Replies: 11
Views: 167
Posted By DannoXYZ
Heh, heh, ... send them to ducatiman, they'll...

Heh, heh, ... send them to ducatiman, they'll come back brand-new!
Forum: General Motorcycling Discussion August 4th, 2022, 07:38 AM
Replies: 1
Views: 88
Posted By DannoXYZ
Most likely both sets came out of same generic...

Most likely both sets came out of same generic factories.

I've heard favourable reviews of Monster. Having not dealt with either, I'd lean towards Monster.


Then again, I bought generic...
Forum: General Motorcycling Discussion August 4th, 2022, 02:20 AM
Replies: 13
Views: 223
Posted By DannoXYZ
well.. G-force got ~90bhp from their VFR400R ...

well.. G-force got ~90bhp from their VFR400R

https://mngforce.typepad.com/nc450vdev/welcome-page.html

They were racing with AFM over 10-yrs before me, but people were still talking about their...
Forum: General Motorcycling Discussion August 2nd, 2022, 07:00 PM
Replies: 13
Views: 223
Posted By DannoXYZ
Woohoo!!!!! Hopefully it won't be porker like...

Woohoo!!!!! Hopefully it won't be porker like ZX25R...
Honda's CBR400R 2-cyl was disappointingly weak and heavy as well...

All the hot 400 bikes from late '80s came in at 390-410lbs wet with ~60...
Forum: New Members August 2nd, 2022, 06:55 PM
Replies: 5
Views: 178
Posted By DannoXYZ
Greetings & Salutations!!! :wave: Wow,...

Greetings & Salutations!!! :wave:

Wow, that's awesome paint job! :)

I like using 16t sprocket in front for freeway cruising. Much more relaxed.
Stock fork seals work fine. Just did mine last...
Forum: 2008 - 2012 Ninja 250R Tech Talk August 2nd, 2022, 06:54 PM
Replies: 4
Views: 109
Posted By DannoXYZ
Not stabilizer, PEA-based cleaner. Chemical...

Not stabilizer, PEA-based cleaner. Chemical reactions are different.
Forum: 2008 - 2012 Ninja 250R Tech Talk August 2nd, 2022, 02:01 AM
Replies: 4
Views: 109
Posted By DannoXYZ
Just sticky level-sender from sitting. Go ride it...

Just sticky level-sender from sitting. Go ride it andnit should free up in 10-20miles. Put some PEA-based fuel-system cleaner in.
Forum: General Motorcycling Discussion August 1st, 2022, 04:48 PM
Replies: 8
Views: 220
Posted By DannoXYZ
Living up to their name. They're certainly...

Living up to their name. They're certainly corrupt and used bankruptcy procedures to rape and pillage. According to Japlopnik's article...
Forum: New Members August 1st, 2022, 02:12 PM
Replies: 11
Views: 167
Posted By DannoXYZ
hi and welcome!!! :wave: These carbs aren't...

hi and welcome!!! :wave:

These carbs aren't easy, need to disassemble down to every last nut, bolt & individual component. Scrub everything including hidden secret passages with PEA-based...
Forum: 1986 - 2007 Ninja 250R Tech Talk August 1st, 2022, 10:43 AM
Replies: 31
Views: 609
Posted By DannoXYZ
Yeah, that's where acceleration-pump feature...

Yeah, that's where acceleration-pump feature comes in. On EFI systems, I usually give +15% when TPS-velocity is higher. +20% when velocity highest. Some systems have 4 levels of accel-pump with...
Forum: 1986 - 2007 Ninja 250R Tech Talk August 1st, 2022, 10:06 AM
Replies: 31
Views: 609
Posted By DannoXYZ
Personally I would lean out low-throttle/low-end...

Personally I would lean out low-throttle/low-end for more power and speed. AFR of 14.5:1 at 33-50% throttle is OK. On turbo engines, I prefer it around there for hottest mixtures to spool up turbo...
Forum: 1986 - 2007 Ninja 250R Tech Talk July 31st, 2022, 10:08 PM
Replies: 31
Views: 609
Posted By DannoXYZ
Awesome progress!!! Add 1/2" crossover tube...

Awesome progress!!! Add 1/2" crossover tube connecting 2 intake runners about 1/2-way.
Forum: 1986 - 2007 Ninja 250R Tech Talk July 29th, 2022, 06:32 AM
Replies: 26
Views: 361
Posted By DannoXYZ
new O-rings on fuel rail?

new O-rings on fuel rail?
Forum: 1986 - 2007 Ninja 250R Tech Talk July 29th, 2022, 12:11 AM
Replies: 26
Views: 361
Posted By DannoXYZ
NGK plugs look fine, no need to change getting....

NGK plugs look fine, no need to change getting. Hotter air is less dense, thus fewer O2 molecules per volume, so would need leaner jets for less fuel. At track, I always change to one size smaller...
Forum: Ninjettes At Speed July 27th, 2022, 06:19 PM
Replies: 1
Views: 104
Posted By DannoXYZ
Hi davey!!! I did 250-Superstock from 2017...

Hi davey!!!

I did 250-Superstock from 2017 to 2021. At start, there were 10-15 entries for each race, by end, just 2-4, really sad. Now it's gone completely!

However, you can still run 250 one...
Showing results 1 to 25 of 1000

 
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