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Camshaft options

Taffy (reply to PM),

I probably said GW G2 and G3 cams not a G1 though in my advert.

I still have the G2 cam but want it for myself I'm affaid.

To clarify, on cams and their power characteristics. The G1 cam (which I don't have) is a stage 1 cam for the standard 650 (2002) bike with a race pipe and pumper carb. The G2 is a stage 2 cam for a 650 with a JE or otherwise high comp piston (a must).

The G3 is a very long opening high lift stage 3 cam for a bigger than 650cc berg with all the above also.

None of the GW cams will work well in a standard piped Berg and I can't comment on their performance in the 400 bike of yours.

For enduro use I can only think of one or maybe 2 cams that spring to mind... The 53 or 55 type cams.

The 08 cam is designed for use with the 2003 cylinder head (higher than 2002 compression) and has a lower lift longer duration (see Dales graph).

Lloyd
 
Taffy,

Dig a little deeper into your pockets, buy a jiffy bag within which you stuff your 53 cam and despatch onwards in the direction of Dale Lineaweaver's workshop, from which you can in return get yourself a Lineaweaver LRX2 camshaft for which the exchange rate is pretty good too.

This cam works beautifully within my 01 650 that also currently sports an enduro exhaust system.

Simon
 
i didn't know you ran an enduro system? yes, you're quite right-i've cheapskated as far as i can up this river.

however he'll never get the '53' cam-never!!!!-it's far too good a cam! no he can have that peice of crap that came out of it called an '01' cam.

i nearly caught lloyd selling that G2 for just over a 100 nicker alas he cottoned on all too soon. :( :(

several things are falling in to place ready for my next trip to the dyno.

i have needles
two heads
a plug
a larger carb i hope
soon another set of downpipes
i bid for a doma exhaust and nearly ended up with it when upon enquiring the said 'enduro pipe' was indeed a full on MX system and no good to me as too load.

a says the man with 2 hours to go to the end of bidding; "i'll let you have a DOMA enduro pipe for £80" to which i replied that i'd bid for it the same as everybody else.

he has yet to put it up!

regards

Taffy
 
Taffy said:
i didn't know you ran an enduro system?

Yeah, on the 01 650 which is in pure enduro trim nowadays. It's still serving as a bit of an experimental engine just not regarding power output.

Taffy said:
i have needles
two heads
a plug
a larger carb i hope
soon another set of downpipes
i bid for a doma exhaust and nearly ended up with it when upon enquiring the said 'enduro pipe' was indeed a full on MX system and no good to me as too load.

a says the man with 2 hours to go to the end of bidding; "i'll let you have a DOMA enduro pipe for £80" to which i replied that i'd bid for it the same as everybody else.

he has yet to put it up!

regards

Taffy

Looks like you're going to have your hands full for a while then :wink:

Cheers,
Simon
 
O.K I know this is an old thread and I am clutching here but maybe you can shed some light. I have 3 cams sitting around + 1 in my bike as well as 2 more in good motors that I don't really want to pull down just yet.
2003 FE400E current cam in the bike numbers on end are 34/01 01
2000 FC501 with number 55 on the end,
2001 400EXC cannot read numbers but looks similar to what I have already.
2004 450SX numbers are 35/02 5521/590

Also have access to a 2004 FE650 or 2002 FE501

After reading this thread the 55 sounds like a good thing and looks very similar to the 450SX both of which need the waterpump drive lopping off.

Regards Dan
 
Hi,
I have a 01 and 53 cam in hand from '02.as far as I know 53 cam should have less concave flanks than 01 but they have almost the same concavity for my cams. is earlier 53 cam different than later 53 cams? "09/01 53" is written on my 53 cam.
 
the 53 cam is more powerful than the 01 cam. it has more duration and lift but the same acceleration problems unfortunately. the code 09/01 means that it was made in september 2001. all 53 cams are the same or they would be called 53 and 54 or similar....!

regards

Taffy
 

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