A TS and a TF engine are different.
A TS and a TF engine are different.
Its a great theory, one that many people follow, But due to the strong anti communist feelings in the early 80's they couldn't go right out and say TS.AR
Because that was the emperor of Russia before 1917.
Not a lot of people still realise the Russians and japan are still legally at war so it never couldn't fly.
https://www.npr.org/2019/01/22/68731...least-on-paper
I feel a protest coming.
Nah he's just being a cock smoker. Fuk me. TS competition engine.
Ball licker.
Probably licking Drew's balls atm. "Oh I'm such a troll. Teeheehee."
Don't you look at my accountant.
He's the only one I've got.
Did I mention anywhere that it was me that would be protesting?
Competition engine or not, rules are rules and it's you precious cunts who have made them.
Or is it going to be another it's ok until they start winning scenario?
Dude. It's a fucking road engine styled as a light traile. They are nowhere near competition based. Geez you only have to see how pedestrian the revs are or the power output is to see that. They were made to last 15 years between rebuilds running on whatever oil the local garage sold out of an old container on the forecourt.
And fuck sake they came out in the 70s. I think we've worked out where they sit in the pecking order.
Don't you look at my accountant.
He's the only one I've got.
Exactly! anyone with a dremmel and some knowledge could port a TF cylinder to be almost identical to a TM from 1970-1980. No one would disagree that fitting an entire TM engine into a 80's 250 frame is within the intent of the rules. But a TS125 is hardly a motocross rocket ship.
The reality is my engine still makes less horsepower than a stock FXR in "just add an oko carby and go race" form. This bucket has not been built doing anything different to what has been raced for years gone by. And I am sure plenty of other MNZ members race buckets with TF125 engines far hotter then I am running.
Ok rant over.
Can this thread please get back to the original point?
Got the new muffler and joining pipe all welded up the other day. Heaps lighter then either the original TF/TS125 exhaust I built for this bike, or the RGV150 muffler in earlier photo's.
Got in trouble doing another road tune. But currently running a #125 main jet and it's on the richer side. Time to get back in tough with the owner of the Dyno and get this thing properly sorted.
.
A Honda RS125 NF4 expansion chamber works well and is relativly easy to fit.
I have got them from this auction site, they ship internationally:- https://www.jauce.com/
Honda RS125 NF4 pipe. The header bolts up hard to the cylinder and the main body is held to the header with springs.
The NF4 pipes are reasonably easy to fit. Mostly they just require a new header flange to bolt them to the cylinder.
The later model NX4 pipe is lighter, more traditional type of racing pipe and has a much steeper header. Because of the header angle it is a bit harder to fit, but some cut and tuck will sort that.
Both pipes work well, even on a low tuned engine and work better as the tune is improved. I have successfully used these pipes on my builds from when I started at 18hp to a best ever 32 hp.
It is an interesting phenomenon that the same tuned length has suited both 18 and 32 hp but its easy to understand when you think about the exhaust heat and how it affects the tuned length.
The same tuned length for lower hp and lower rpm == higher hp and higher rpm.
Only thing is that the headers on nf4 are enormous 3 bolt affairs
Don't you look at my accountant.
He's the only one I've got.
Yes true, and we always cut them away and made new ones that adapted them to the cylinder. Did this without altering the tuned length.
Also the header pipe is enormous compared to the exhaust duct but it is a mistake to grind the exhaust duct out to match. The big step between duct and the larger pipe works Ok.
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