First impression: ahahaha, this thing rips ahahhhahaha. A few times I wondered what I was doing going so fast on a bike this small. Seriously, it took the biggest hills, known to bog down cars, and was accelerating (my version of breakin, yep). Didnt struggle once, not even a little. Ive ridden two pretty built tomos a35s up the same hills and they bogged like crazy without a huge head start (one tomos was airsal built the other Kstar). My friends variated polini built tfr has problems there. I still have a grin on my face.
Technical: the kit is not a complete bolton, although you dont "have" to cut the case, you might want to port match =). The transfer ports are good deal bigger then stock though not too crazy like some other kits, The intake port is slightly over 20mm, I used a 21mm black treats intake and 21mm phbg. For the pipe I used a boss, the header is very close in diameter to the exhaust port (huge).
Grind: The exhaust studs and the intake studs are slightly further apart then stock, I had to widen the bolt holes on both the pipe and the intake for them to fit (make the holes oval towars the outside). The pipe rear mount didnt lign up so I had to cut it a bit as well. Then there is the gasket thing, gaskets that come with the kit are shit except for the metal head gasket. I ordered the treats 70cc gasket set in advance to have spares and was happy about it. With the kit cylinder gasket and one head gasket the piston was hitting the head, I had to trim the cylinder hasket and the head gasket from the treat gasket kit to fit the larger kit... The only way my piston cleared completely was with the thicker cylinder gasket and two metal head gaskets.
Carb: I used 21mm del phbg, 50 idle jet, 85 main jet and w7 needle on 2nd down from the top. My low low end blows (takeoff), hard to start and wont idle yet. Seems like the idle jet is too big and the needle needs a little tuning. But as soon as it gets going 5mph its game on!
Tommorow Ill try to adjust the carb and get the thing to idle, maybe get that 0-5mph reasonable, Ill try to keep this post updated. Ran it hard for 20+ min and it didnt blow up or seize yet, thats good news right...
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