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June 23rd, 2017, 12:31 PM   #1
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Paolo6 a new start

so ok ...sorry if I haven't update any picture of reed valve repair to be fair i don't have one yet (soon) I will...I just been busy with life and I am going on holiday for 2 weeks which they will slow down the process....I haven't gave up on the bike and after the guy got it right I wanted it better (and i am still waiting on more parts)

there was no point of increasing the performance in a head that was already knackered so I have got a new/used one

I am a little stock in figuring out on how to get the best out of everything I would like to keep the e/started but exhaust won't allow the battery, so it's either

-move the battery under seat (but I still want to increase the intake size) or
-I can use a setup similar to a guy I saw here with RC 12v battery in the air box and have a cone air filter on Lectron
-or a mix of both with cone air filter and battery under seat


I want to keep the stock 650 no high compression, no extra weight in big bore etc but it will work on the ideology (get in, get the fu--- out)

-head will be ported and replace the taffy stuff with KW (dual spring,guide,+1 oversize valve) and seat
-exhaust will be dual SR racing
-carb 44 Lectron (which would be nice to test)
-increase air filter surface


I am not looking for crazy HP but to have good power delivery and reaction to get in/out of corner that's my objective .... and in the future I am looking to increase frame rigidity

I have got 2 question there might be more..

-do you guys know the weight of standard 650 piston of different manufacture?I am sure I got a Wossner

-and also if you getting a titanium pin for piston would you get it with the same size or different?(different properties from steel to TI)

more good update and pictures will be coming in the next month or 2


Paolo6 a new start-20170623_172103.jpgPaolo6 a new start-20170623_191531.jpg
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June 23rd, 2017, 01:01 PM   #2
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Nice one Paolo,
If I remember correctly Elko lightest piston and pin.
If it helps I run stock 08 cam, 1mm oversize Kibblewhites, stage 3 RTS gas flow, stock Keihin 41mm carb.
More power all through the range over stock.
If I wanted more? (I do!) Hairy cam, bored out carb or bigger carb ( 45mm Mikuni fits the inlet stub, I know because I sold the one I had, doh!)
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June 23rd, 2017, 01:11 PM   #3
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Originally Posted by canolman View Post
Nice one Paolo,
If I remember correctly Elko lightest piston and pin.
If it helps I run stock 08 cam, 1mm oversize Kibblewhites, stage 3 RTS gas flow, stock Keihin 41mm carb.
More power all through the range over stock.
If I wanted more? (I do!) Hairy cam, bored out carb or bigger carb ( 45mm Mikuni fits the inlet stub, I know because I sold the one I had, doh!)
that's more or less where I am going ...I got the 08 cam but I am not sure if it's worth upgrading it...I am really curious to compare lectron(44) to the one i got FCR 41 but yeah the 45 MK is a lot of top end

to be fair after all this upgrade I would like to move into the frame/suspension (ps I am running a scott damper also )

only time will tell if I need more HP
Thanks from bushmechanic, plumbbob and canolman

Last edited by paolo6; June 23rd, 2017 at 01:14 PM. Reason: ytty
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June 23rd, 2017, 02:16 PM   #4
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Wossner make the lightest steel pin but they don't do a piston for this crank

You can use the 570 piston but it's not ideal. There is another wossner one that is too tall and needs machining to fit it's the 540/560 Ktm 100mm piston.

Nothing wrong with the oem Elko and steel
Pin imho.

I love the stock cam with a bit of porting and intake work like you suggest. Unless you increase compression significantly then all the other choices loose off idle response or top end.

Titanium pin must be same dimensions as the one it replaces. Elko pin is different to wossner pin. (Length)

But it all sounds very good so Enjoy your holiday !
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June 24th, 2017, 03:20 AM   #5
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Hi Paolo,
on the battery side if things I have a lithium battery under the saddle (can be mounted any way round) on my flat tracker and a cone filter which If I remember right came from a Citroen Saxo! The filter has a slight angle so may help clear your exhaust........let me know if you want any pictures.

Carl.
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June 24th, 2017, 04:32 AM   #6
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thanks bush ,plumb ,cal

I might going to try elko and see for the Ti pin next year... I personally don't want to start machining piston, I been reading about the ktm 560 that is high comp but I am not into it ...I might even try to go on a lighter ignition but I will wait and see how things react with each other

plumb yep if you got any pictures I wouldn't mind seeing them
I was actually even thinking of making an air box using a car K&N filter but It will be a pain with shock and exhaust on both sides

I also saw a picture of Bush with a different frame bike I think you called MX husaberg how's that working out?

Last edited by paolo6; June 24th, 2017 at 04:33 AM. Reason: fed
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June 24th, 2017, 06:49 AM   #7
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Oh Avoid the pro-x piston it's a good fit but it doesn't last long

Mx frame well sand mostly. it's very good a fantastic machine.

On The Ti pin actually it needs to be a slightly smaller diameter than the steel pin it replaces because it flexes more. I think there is a drawing in my
Thread "mongrel 628 "
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June 24th, 2017, 08:36 AM   #8
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I Ride: 02 650 StreetTracker, 92 K100 Special, 92 Triumph Cafe Racer.
Here's a couple of pics Paolo, the air filter is 130mm long and as you can see angles down away from the frame backbone.
The battery is about 30mm shorter than standard and very light, about 0.6 kg!
This one is mounted in a fibreglass box i made around the old battery but my 450 one was held by 10mm wide stainless strips bent around the battery and welded together.

Hope this helps,

Carl.

Paolo6 a new start-imag1572.jpg

Paolo6 a new start-imag1573.jpg

Paolo6 a new start-imag1574.jpg
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June 24th, 2017, 02:33 PM   #9
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Originally Posted by plumbbob View Post
Here's a couple of pics Paolo, the air filter is 130mm long and as you can see angles down away from the frame backbone.
The battery is about 30mm shorter than standard and very light, about 0.6 kg!
This one is mounted in a fibreglass box i made around the old battery but my 450 one was held by 10mm wide stainless strips bent around the battery and welded together.

Hope this helps,

Carl.

Attachment 6858

Attachment 6859

Attachment 6860
That seems a really good way to go ...thanks a lot

Last edited by paolo6; June 24th, 2017 at 02:33 PM. Reason: Bb
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June 25th, 2017, 04:07 AM   #10
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A lead-acid battery has no place on an elegant bike like this Even though they had no better batteries to put in when the bikes were made.

EarthX LiFePO4 batteries are excellent. They use high-quality cells, but most importantly they use a good protection board (like a built-in fusebox).

ETX12a is small (113mm x 66mm x 95mm), light (600 grams!), puts out 220A burst and 135A all day, and has full protection (overcharge/undercharge/short circuit/balance): ETX12A EarthX lithium battery

ETZ5g is tiny! (90 x 50 x 90mm), even lighter at 520 grams, and puts out 240A burst (!) and 140Aindefinitely, and has quite good protection but is missing overdischarge protection: ETZ5G EarthX lithium battery

For comparison, the stock lead-acid batteries have burst capacity of less than 100-150A. These batteries are better in all respects. (Including battery lifetime - they should last years before replacement. Because of good cells and protection board.)

I sound like a salesperson Only did a lot of digging and reading. This is the best stuff. EarthX are great to deal with too.
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