T5 exhaust

[Lan]

i recently aquired a T5 engine and have been stripping it down and replacing parts as required, but i need a exhaust im after one of the sip pipes but i need one that can accomadate a spare wheel, any1 with any recommendations on t5 exhausts please post they must be able to carry a spare wheel though, oh and not a pm tuning pipe, there just... too quiet

[guppstah]

I have a Polini pipe on my T5 and a spare wheel.
Sounds and looks good, not too loud but loud enough, if you know what I mean.


Gaz

[joey]

You can fit a spare with any pipe as long as you space it out. I use a couple of the long nuts you get for the cylinder head and cut them down to about 3/4 of their length, then you just use an M8 bolt to secure the spare

[bryno]

Simonnini is ok, not the best quality in the world thou personally I think the PM tuning pipe is a much nicer sound, quieter yes, but deeper..

[Spence]

Sito Plus is another option, doesn't come anywhere near the spare (but, as I once discovered, if the main bolt drops out of the bracket it can have some interesting effects on your back tyre).

[Lan]

i think im going to go with one of the sip pipes they seem the best option i dont really wanna touch the italian fall off and break ya neck pipes, anyone had any experience with sip scootershop?? any good?

[bryno]

spence said:

Sito Plus is another option, doesn't come anywhere near the spare (but, as I once discovered, if the main bolt drops out of the bracket it can have some interesting effects on your back tyre).

Sounds painful ;D

Oh, I've noticed that my T5 is a bit slower now with the Simonnini than when it had the Sito Plus on it, both are pretty shoddy quality though IMO, be interesting to see how the SIP pipe compares, does look good in the pics

[Big Al]

Recently changed what was left of the original exhaust on my T5 for the Sito Plus and it seems great - certainly behaving much better (although thats not suprising since the old one resembled a colander...)

[alanw]

Just noticed this posting and probably a bit late but i took off a SIP pipe as it was to high up in the rev range had to rev the bo!!ocks out of it to keep it going,in fact it was quicker in third than top
As soon as you hit fourth the power dropped off ,have now fitted a sito plus and much better tractability and can do 70mph now ,where as with SIP could only do about 60 in top

[bryno]

Interesting that, I was a bit bored the other night so did a back to back test of a SitoPlus, PM Tuning and Simmonini..

PM is pretty gutless at bottom of rev range, really only comes in at high revs, certainly revs higher and does an easy 70 with it on, but if you are in wind/on a hill in top it kinda bogs down and can't get into the powerband. Worked much better when i ran it with the 172 conversion.

Simonini is much better at bottom end, pulls clean from low revs but seems to strangle the motor at high revs, gets to 60 quick, but struggles to go any faster.

SitoPlus, pretty well same as the Simo, but slightly slower pick up offset by slightly better top end.

I want to replace my Simonini soon, dunno what to go for now

[Lan]

looks like im going for a pm if all sip's are like alanw's, but the project is going to be a long one anyway as i now have a T5 mk1 frame which needs sandblasting and respraying and it wont be touched until the engine is completed, anyway bryn what was ure carb setup with the 172??

[bryno]

I used the standard T5 carb, with a 115 main jet, probably should have been a 118. If you are going with a 172 kit the PM pipe works fine, 172 gives you the bottom end torque to pull through the flat spot, on the std 125 it's not great unless you really enjoy revving the balls off it all the time to keep it on the boil

[Lan]

thx mate where did you get youre head reprofiled @?

[alanw]

thx mate where did you get youre head reprofiled

Michael Jacksons plastic surgeon!!!! ;D ;D

sorry

[guppstah]

After stripping my scoot down have found out that my Polini is in fact a Gruppi Pinasco and my engine is a 200 anyway so not a lot of help.

[bryno]

alanw said:

thx mate where did you get youre head reprofiled

Michael Jacksons plastic surgeon!!!! ;D ;D

sorry

;D

Got it done by PM Tuning, £40 IIRC, luckily I have most of an old T5 engine so used the spare head, or I'd have been in a bit of a pickle when I killed the 172 and had to refit the 125

Changed the plug, reset the timing, job done, lots of power, and lots more clanky noises from the engine ;D

[Lan]

what plug did you have with the 172??

[bryno]

it's a B95EGY competition plug.. they also suggest a B9EiX.

Just looked at the bill, £35 to do the head, whole kit from PM came to £242..

Pahh, could have got a secondhand P2 engine for that

[Lan]

aye but a P2 dont go like a 172

[bryno]

I'm thinking of fitting a P2 motor, do you think the 172 goes better? it's been soooooo long since I rode a P2 I really can't compare, get the feeling the P2 is a bit more torquey, better bottom end, less revvy maybe more relaxed.. 172 is just manic ;D

[Lan]

wel with a 210 malossi on it the p2 is very good and very popular but i suppose its not asif a p2 lump is hard to find really, and my uncles 210 really goes well ported cases 26mm SI carb, not as quick as the "cutdown s**te his mate has" which has a 210, welded and ported cases, mazz crank, 28mm carb, very long gears he can do 65mph in 3rd and top speed is about 90mph but the frame is a state. A standard P2 its about as quick as a standard T5 in some cases the T5 is quicker, im going to put a 21tooth cosa in my engine to upgear it so the 172 can have a higher top speed.

[Lan]

so in comparison a 172 will pi** all over a standard P2

[bryno]

Hmm, I'd have thought the standard P2 would be a better all rounder than a T5 125 or even 172.. on the flat with no wind the T5 may keep up with a P2, but get it on a hill..... also is the P2 not supposed to do 70 as stock, T5 only just over 60?

I did think about the Cosa clutch on mine but it extends all the gearing and teh T5 really needs to rev to get the best out of it esp with a PM pipe, longer gearing may kill the low rev torque which already is pretty poor ..

172 on standard gearing is pretty quick, I used a sat nav for a genuine reading and saw 75 MPH, which was 80 plus on the clock, it will hold a genuine 70 plus on the flat.

Think I'm going to get a new piston for my 172 kit and give it another try ;D

[Lan]

bryno said:

Think I'm going to get a new piston for my 172 kit and give it another try ;D

thats the spirit!

[Devo McDuff]

Jesus, I wish I knew what you lot were on about ... one day maybe!

[guppstah]

So as my 200 is on its 3rd oversize now, I should go for a Malossi 210 when necessary, do you think?

[Spence]

devomcduff said:

Jesus, I wish I knew what you lot were on about ... one day maybe!

Devo mate don't be scared. If there's something you don't understand, just ask. No one will laugh at you (and if they do, you won't hear them because they'll be a long way away in their own house, probably with no mates).

I bet if you do ask, ten people reading the thread will breathe a sigh of relief because they were too scared to ask themselves.

[Devo McDuff]

Yes, will do. I'm not shy at begging for help as you have probably realised

Think I need to get to grips with the basic mechanics though before I start querying on stuff like that, planning on some heavy duty Haynes action soon(ish).

[guppstah]

Devo don't worry about a thing, you won't have time to do anything anyway as you are always on here :-)

I ask stupid questions all the time, itsd all part of the fun.

[Lan]

yeh thats a good idea gaz if youre going for one you may aswell do it now though so you can get your cases ported to match the larger intakes on the malossi cylinder that way it will perform to its full potencial