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lambretta 290 rotax

Need help with a tuning kit, how do you tune your scooter, which kit should I choose, and all general tuning and modifcations questions are for in here.

Re: lambretta 290 rotax

Postby holty » Fri Apr 20, 2018 9:18 pm

had a slight problem , had a coolant leak somewhere in the radiator area, it then got rather hot so i had to limp home stopping every mile or so to top up coolant. stripped radiator out to find a clip was not tight enough, but after re-fitting could i get coolant through to the pump, no not even with a full radiator, so in the end i added a t piece to the bottom hose and a valve, then i filled the pump from that t using some pipe and a funnel, job done closed off the valve and all is good, i also fitted a scootronic cdi and coil, wired up to run from dc, done another 20 miles tonight thats about 300 now and ive got it booked in at chiselspeed for a dyno session in a couple of weeks time to get the fueling right and see what sort of power it kicks out.
ImageUntitled by stephen holt, on Flickr
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Re: lambretta 290 rotax

Postby holty » Thu May 03, 2018 9:45 pm

had a little visit to see martin at chiselspeed today
ImageUntitled by stephen holt, on Flickr
got it on the rolling road and had a few power runs , fuel needed correcting, after changing jets atomiser and needle got 32bhp max and 23ftlb torque, i am well pleased, martin compared it to a casa 265 he has just done and mine had more toque and bhp until 8k, a geat result
ImageUntitled by stephen holt, on Flickr
ImageUntitled by stephen holt, on Flickr
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Re: lambretta 290 rotax

Postby Fat Trucker » Thu May 03, 2018 10:52 pm

Well done holty you've put a lot of blood,sweat and no doubt tears into this project so I'm glad you're finally getting the results you deserve.
ove.
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Re: lambretta 290 rotax

Postby bike grim » Fri May 04, 2018 8:26 am

Great result, well done .
Torque where you need it not high up in the rev range.
Interesting that the 265 is supposed to have 44+ bhp out of the box isnt it?
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Re: lambretta 290 rotax

Postby holty » Fri May 04, 2018 12:42 pm

thanks guys, i am very pleased, your right about the 265, martin had altered a few things to make it less peaky and more rideable, they make most power between 8 and 10k revs, not ideal for genral riding, good on an open road
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Re: lambretta 290 rotax

Postby holty » Wed May 09, 2018 10:21 pm

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Re: lambretta 290 rotax

Postby shane BBoys » Thu May 10, 2018 7:19 pm

holty wrote:https://youtu.be/Q1Q74lzWKDg



WOW just watch this and my arse was nipping sounds awesome.

Cheers Shane
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Re: lambretta 290 rotax

Postby holty » Thu May 17, 2018 7:47 pm

shane BBoys wrote:
holty wrote:https://youtu.be/Q1Q74lzWKDg



WOW just watch this and my arse was nipping sounds awesome.

Cheers Shane

cheers shane, let me tell you mine was nipping as well,
well ive finally got my rear runners on and my side panels, went for a ride out last night, heres some pics
Image32740288_1286556701479344_1896852089867337728_n by stephen holt, on Flickr
Image32669604_1286556601479354_6531269712335077376_n by stephen holt, on Flickr
Image32631004_1286556971479317_5126740777191342080_n by stephen holt, on Flickr
ImageUntitled by stephen holt, on Flickr
ImageUntitled by stephen holt, on Flickr
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Re: lambretta 290 rotax

Postby holty » Sun Jul 08, 2018 10:51 pm

Imageimage by stephen holt, on Flickr
all ready to head off to cleethorpes,
when we got there i just had to have a go on the dyno, just to see what power it was making now with some more miles on it, and some stronger clutch springs, im sure it had a bit of slip when it was at martins last time, well pleased with the result, made 35 bhp :D
ImageUntitled by stephen holt, on Flickr
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