Search found 156 matches

by Luciano
Fri Sep 03, 2010 7:39 am
Forum: Carburetion
Topic: Different jetting between the front and middle cylinder.
Replies: 15
Views: 8754

Re: Different jetting between the front and middle cylinder.

I do not know why someone should debility make cylinder no2 "a slightly easier time overall" then it has already with the factory spec. (10 mm HG less intake pressure at idle is a lower carb slide setting.) By lowering the slide a notch on the middle carb, the rear piston is given a slightly easier ...
by Luciano
Wed Sep 01, 2010 7:50 am
Forum: Carburetion
Topic: Different jetting between the front and middle cylinder.
Replies: 15
Views: 8754

Re: Different jetting between the front and middle cylinder.

Yes Channel Hopper you have right. There is not any difference between the front cylinders and the no2. Except the carburetor slide are rising by 10 mm Hg less then no1 and no3. And on the exhaust side is different. (But when the gas is reaching to the exhaust then the jetting is what it is...?) The...
by Luciano
Tue Aug 31, 2010 12:01 pm
Forum: Carburetion
Topic: Different jetting between the front and middle cylinder.
Replies: 15
Views: 8754

Re: Different jetting between the front and middle cylinder.

Ok if i understand it correctly then we are saying that there is nothing against to jet each cylinder as a separate unit and see them as individuals. Especially when the top no2 cylinder has different working conditions compared to no 1 and no 3. So it is down to make some Wide Open Throttle (WOT) r...
by Luciano
Mon Aug 30, 2010 9:18 pm
Forum: Carburetion
Topic: Different jetting between the front and middle cylinder.
Replies: 15
Views: 8754

Re: Different jetting between the front and middle cylinder.

Are you sure you don't have crank seal problems? Can I have it on the cylinder no 2? I do not think it is a problem even if I had then it should suck already nice fuel mixture from any of the two other cylinders... But if I suck pure air from the base gasket then I understand why I get a lean fuel ...
by Luciano
Mon Aug 30, 2010 8:35 pm
Forum: Carburetion
Topic: preformance problems NS400R
Replies: 3
Views: 3997

Re: preformance problems NS400R

Hi Bert. Maybe I am onto something, read my post here: http://www.ns400r.co.uk/forum/viewtopic.php?f=6&t=3435 The middle cylinder with it shorter pipe and expansion chamber makes it to start to pull earlier in the rpm band. So I think that it is the cylinder that makes most of the work at 6000 to 70...
by Luciano
Mon Aug 30, 2010 8:25 pm
Forum: Carburetion
Topic: Different jetting between the front and middle cylinder.
Replies: 15
Views: 8754

Different jetting between the front and middle cylinder.

Hi All I have noticed that the middle cylinder are going leaner then the two front ones... They have NOT the same working environment. Even Honda specify that the middle cylinder should have 10mm hg less then the other two when you sync them. There is no ATAC and the expansion chamber is different a...
by Luciano
Mon Aug 23, 2010 7:22 am
Forum: Carburetion
Topic: jets
Replies: 4
Views: 3483

Re: jets

by Luciano
Sun Aug 15, 2010 4:54 pm
Forum: Electrical
Topic: Base advance for the NS
Replies: 2
Views: 3209

Re: Base advance for the NS

Hi.
Now i have found the "base advance" it is 16 degree on the NS 400.
by Luciano
Sun Aug 15, 2010 10:48 am
Forum: Electrical
Topic: Base advance for the NS
Replies: 2
Views: 3209

Base advance for the NS

Hi All. Do someone know what "base advance" the ns400 has? I have a IgniTech ignition module that is set to default 10 degree. But is this a accurate number? Have anyone spotted any difference in degree between pick-up 1 and pick-up 2? Base advance = cylinder 1 at TDC we need to also establish accur...
by Luciano
Fri Aug 13, 2010 2:26 pm
Forum: Engine, Clutch & Gearbox
Topic: drive seal
Replies: 3
Views: 1983

Re: drive seal

Channel Hopper wrote:a bedroom full of pieces just itching to run away and hide
You made my day ;)
by Luciano
Mon Aug 02, 2010 7:57 am
Forum: Engine, Clutch & Gearbox
Topic: what is this
Replies: 3
Views: 2014

Re: what is this

Air leak of some kind. Can be at cylinder foot (to determine do a leak down test). Are air box unmodified? Any additional holes (in the lid) makes the bike to go leaner i use now 132 in main jet... Is not carb number one the one that supplys under pressure to the petrol tap... Make sure that you do ...
by Luciano
Fri May 28, 2010 1:09 pm
Forum: Carburetion
Topic: preformance problems NS400R
Replies: 3
Views: 3997

Re: preformance problems NS400R

Hi. Did you get any solution to this problem? I have the same problem. I think that some of the problem lays in my Jolly moto pipes. Maybe the problem is there always but the standard pipes mask the issue better. And i think that also if you go richer in jetting you will also mask this issue (a stan...
by Luciano
Fri May 21, 2010 3:52 pm
Forum: Exhausts
Topic: Terry Shepherd pipes..
Replies: 60
Views: 27659

Re: Terry Shepherd pipes..

have just implemented the new cdi That are good! What i found is that the power do not hit the wall at 9500rpm (massive power drop) you have with the new CDI the same peak power all the way to the red line at 10750rpm!!! But i do not recomend to rev to high, it just makes your bearings to go bad......
by Luciano
Sun May 16, 2010 8:11 pm
Forum: Engine, Clutch & Gearbox
Topic: Injector pump or premix, which is better?
Replies: 2
Views: 1753

Re: Injector pump or premix, which is better?

Hi.
Never herd of any problem with the oil pump. In the 8 years i have read in this forum and used my own bike.
I think that it is more likely that you forget to mix then that the oil pump will fail.
The god thing with the oil pump is that it will lube during motor braking.
Best regards, Luciano