scuffa
2nd Class Ticket
Posts: 41
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Post by scuffa on Jun 16, 2023 12:25:47 GMT
Hi, I'm about to buy a standard PX125. Is it a 3 port engine (same port layout as an LML) and if so, will the BGM kit go straight on? With a better crank etc. Thanks
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Post by adrian on Jun 16, 2023 15:09:18 GMT
Yes the bgm kit is a straight fit, but unless you are enlarging the ports I wouldn't worry about changing the crank. I'm running the bgm kit with long stroke crank, expansion chamber uprated gearbox and primary drive 28 mm delorto with welded cases and the list goes on and on 🙄
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Post by adrian on Jun 16, 2023 15:10:40 GMT
If you want to save a few pounds, the aluminium vmc kit gives good results, and bolts straight on 👍
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scuffa
2nd Class Ticket
Posts: 41
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Post by scuffa on Jun 19, 2023 10:28:19 GMT
Hi,
Adrian, what gasket thicknesses did you use with the 60mm crank, as I was considering one if (when) I strip the motor to match the transfers?
Do you know anyone stocking the BGM kits? Seem hard to find. What is the cost and availability like for the VMC kits. Thanks
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Post by adrian on Jun 19, 2023 12:30:17 GMT
Vmc is £100 cheaper than bgm . I will measure base gasket tonight, but on the vmc with 60 crank it's 1.5 mm
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Post by adrian on Jun 19, 2023 12:32:09 GMT
Yes the bgm kits do seem in short supply, vmc kit can be ordered through ve uk, and they had stock a couple of weeks ago
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scuffa
2nd Class Ticket
Posts: 41
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Post by scuffa on Jun 22, 2023 12:20:14 GMT
Hi Adrian,
Am I right in thinking that there is no headgasket/spacer on the VMC kit, just an 'O' ring? So 1.5mm is OK at the base only? Thanks
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Post by adrian on Jun 22, 2023 17:04:30 GMT
There isn't a head gasket , just the o ring, and the 1.5 mm base plate is for use with a long stroke crank, then there are various thickness gaskets to get the correct squish. They say 1.4 but the closest I could get was 1.35
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