just wondering if i get the complete exhaust system is it just bolt straight on or do i have to do any changes to it? and do i need to adjust the engine in anyway for the new exhaust?
The Tyga website says it best
"Tyga Performance NSR150 SP pipe is just what is needed to unleash the power suffocated by the stock system. Just by changing the exhaust system huge gains can be made and it is designed for easy fitting with no repositioning of bodywork or rejetting necessary."
Matey turned up at the door just last week, demanding a pipe for his 150SP, so we sent him down the beach and threw one on.
He was paranoid and also demanded a handful of jets too, which I gave him to test with.
He turned up again the next day with a fistful of spark plugs asking my opinion. He had ranged from 152 (std) up to 162. The 152 looked luvely but we settled on the 155 'cos he reckoned he liked to hold it flat chat up to Bangkok from time to time and I didn't really want him back again with a seized piston in his palm.
He came round the next day to return the jets and was over the moon with performance.
I'd then gave it a try and ended up just tickling the RC valve setting a fraction and all I've had since was a phone call to say how quick it is. Job done.
'We recommend rejetting by increasing a size or two on the main but it
depends on the exact climate and local conditions and some users keep
stock jetting which is a bit on the rich side. We do recommend that you at
least start with a richer jet and work your way down as a rich setting is
better than a lean one.'
Can you exlpain what is jetting and what is mean by richer jet?
as you can see i dont know these technical jargons
The stock NSR150SP is fitted with a #152 main jet. Fitting a bigger main jet means increasing the identification number. So a #155 main jet will be bigger than a #152, as long as they're the same type and manufacture jet, and will flow more fuel, so will make the mixture richer.
The jets fitted to NSR150SP (and NSR250) are Keihin jets and the number stamped is relative to the hole size. ie a #152 jet is 1.525mm, a #155 jet is 1.550mm and so on.
If you're unsure as to what jet does what, and the actual name of the jets then I suggest you search around online and you'll find pretty much all the info you need.
Matt@TYGA wrote:
If you're unsure as to what jet does what, and the actual name of the jets then I suggest you search around online and you'll find pretty much all the info you need.
It always pays to do a little research because in pretty much every case someone's already done the hard bit, you just have to do the easy bit and that's read what's written, or drawn in this case.
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