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  • Originally posted by Spac View Post
    Eagerly awaiting ride review.
    Heading out with a mate who has a stock 2020 RR300 - well swap and ride the same terrain; should be interesting..
    2020 Beta RR300

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    • Any tips on where to get a headlight globe for a 2015 250 RR? Can't seem to find the standard one on Beta Australia site.
      2015 Beta 250 Racing ^roost

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      • What sort of globe is it? A standard H4? You can get them at service stations...
        Current toys, Subaru powered Manxter buggy, 2018 Gasgas Ec300, Mt-09 Tracer 2016,
        Previous toys, TM En300 2016, 2004 Ec300, 2009 Tenere 660, 1996 Cr250, 1984 Yz100, 2006 FZ6, 1981 Z750, 1981 XL250s.

        If you could reason with religious people there would be no religious people.. House.

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        • Originally posted by gasser nate View Post
          What sort of globe is it? A standard H4? You can get them at service stations...
          Yes very similar I think, bought my bike used and it's never had one so I'm not sure what was in there. I'm pretty sure standard H4 would fit but the wattage of a car globe is too high.
          All I can find on the site is the LED bulb for the efi 4 bangers... anyway will try Beta facebook group.

          https://www.betamotor.com.au/led-glo...-rr-efi-my2016
          2015 Beta 250 Racing ^roost

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          • Found another problem with my bike, It has had a hanging idle since new and since getting back into some harder riding the issue has become quite off putting.
            Some calls to smart people later, it seems the butterfly in the throttle body is not seating correctly.
            If I over tighten the nut holding the throttle cam any more than finger tight the revs build, loosen off and it eventually settles.
            After the poor fitting of gaskets causing oil leaks from the factory, now this.. It may well be my last Beta.
            2018 Beta 480

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            • Could it have been as simple as disconnecting the battery to solve the hanging idle? I think it's fixed, yet to test ride as it's too wet.
              I hope that's all it is, may not be my last Beta after all
              Actually a 390 may be on the cards. 480 is too much bike in the tight singles for me anyway
              2018 Beta 480

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              • Took it out to the local this arvo to mark a new section. 35hrs & still lovin’ it..
                Attached Files
                2020 Beta RR300

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                • Originally posted by gibnut View Post
                  Took it out to the local this arvo to mark a new section. 35hrs & still lovin’ it..
                  Am keen to come ride your area mate.If you could hook me up after Oct long weekend let me know.

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                  • Originally posted by hungrycreek View Post

                    Am keen to come ride your area mate.If you could hook me up after Oct long weekend let me know.
                    Stu, I’ll try & lock a date in - will pm you.
                    2020 Beta RR300

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                    • Originally posted by gibnut View Post

                      Stu, I’ll try & lock a date in - will pm you.
                      Cheers,

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                      • I have a 2015 300RR. When I first got it at 45 hrs we did the top end, as the previous owner had really badly glazed the bore - hardly any compression, flat spots on the rings. My mate who knew what he was doing asked me "do you want to check the squish?" and I said "what's squish"? Anyway I just wanted to get it back together so we didn't check it.

                        It has around 200 hours on it now, going really well but a tad rattly and burbly, been overheating a little, perhaps a bit down on power. So I just did the top end again.

                        It looked excellent inside. Ring gap around .65mm. I cleaned it up and degunked things, and put the new piston and rings in, and this time checked the squish. I didn't have any solder bigger than 1.5mm and it certainly didn't touch that. But one of my expert advisers told me just to twist a few strands together and that worked a treat. I laid it across the piston with a bend in the centre, l Slavens technique. I had two types of solder and the soft/ thin one showed around 1.65mm and the harder one around 1.75mm.

                        The brains trust recommended setting the squish a bit smaller, but I already had the thinnest (0.3mm) base gasket in, so the next step was to machine the head. Apparently it's a straightforward job with a 4-chuck lathe. But I have a big woodworking-style CNC router/mill here and was tempted to "have a crack" myself. The big challenge was holding the head down firmly, and getting it level. After a fair bit of head scratching I put together a holder plate out of steel and ply. A bolt through the spark plug hole crushed it all together nicely and it screwed down very firmly onto the CNC bed. I spent a long time probing to get it very level, shimming the corners of my mount jig with thin bits of plastic film.

                        I was just about shaking when I finally pressed the "Start" button but it did a really beautiful cut. I took off 0.3mm and when I checked the squish again (bolting down and unbolting the head each time) it was around 1.35mm.

                        Putting it back together I also fitted a new FMF Gnarly pipe as my old pipe was so badly dented and bent that the pipe repair guys advised getting a new one. I also replaced the muffler packing. Had a fair wrestle getting my P-Tech guard back on over the Gnarly but part of the problem was that the guard was out of shape and needed some gentle persuasion.

                        I've only taken it for 3 10 minute rides around the paddocks and up the road to run it in, but wow, it's a clear improvement. It's eager to idle, and the power is crisp. Definitely livelier than before. Smoother and with a lot less crackle and burble off the bottom. Feels like a new bike. Looking forward to getting it out into the tight singles again.
                        Beta 300 RR. GasGas 250 TXT Pro. DR650.

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                        • Who's the "pipe guy"? I need one.

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                          • TSPR - Two Stroke Pipe Repairs in Melbourne. Also Scotty knows of a guy at Slacks Creek ... I can't find the name but I contacted him too.
                            Beta 300 RR. GasGas 250 TXT Pro. DR650.

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