procharger Posted March 30, 2016 Report Posted March 30, 2016 Could someone tell me how to make sure the choke enricher is put together correctly, I didn't have all these problems before the carbs. were done. last year? Is there a picture or diagram somewhere showing parts and how they go together?
FastEddieB Posted March 30, 2016 Report Posted March 30, 2016 I took this photo when overhauling the BINGS on a BMW airhead: Hope that helps. As an aside, a digital camera or camera phone is a blessing when disassembling something - as is the case here!
procharger Posted March 30, 2016 Author Report Posted March 30, 2016 I read some where that you can put them in backwards or on the wrong side in other words mixed up?
FastEddieB Posted March 30, 2016 Report Posted March 30, 2016 I read some where that you can put them in backwards or on the wrong side in other words mixed up? IIRC, the shaft has two symmetrical "flats", so, yes, it can go on backwards - or 180° off. Which is why I took the picture!
Jacques Posted March 30, 2016 Report Posted March 30, 2016 you may find some info here http://legacy.rotaxowner.com/si_tb_info/serviceinfo/si031998_r1.pdf
procharger Posted March 31, 2016 Author Report Posted March 31, 2016 Ok thanks what happens if they are backwards or mixed up?
FastEddieB Posted March 31, 2016 Report Posted March 31, 2016 Ok thanks what happens if they are backwards or mixed up? No worky.
Jacques Posted March 31, 2016 Report Posted March 31, 2016 Ok thanks what happens if they are backwards or mixed up? you will have to fly backwards /inverted to have them right
Anticept Posted March 31, 2016 Report Posted March 31, 2016 The one stamped "L" goes on cylinders 1/3, the one stamped "R" goes on cylinders 2/4. Rotax HMM Ed 1, Rev 2, 73-00-00 page 33. Page 34 has an isometric view (Fig 73-27) that is accurate.
procharger Posted April 1, 2016 Author Report Posted April 1, 2016 Looking at the service instructions about larger starter jet and drilling out the disc, anyone tried any of this stuff, if I drilled out the disc and keep same jet does that put in more air when chocked? just looking for a solution to try. Going to replace floats and check carbs. Friday and replace needles to make sure they are not leaking found some flaking on floats. Is flaking a word?
Anticept Posted April 1, 2016 Report Posted April 1, 2016 Flaking? Is it something ON the floats (gunk), or can you clearly see them deteriorating (BAD FLOATS!)? Do you have a gram scale to weigh them? If they are heavy or sunk, that's your problem.
procharger Posted April 1, 2016 Author Report Posted April 1, 2016 I will try ice bag again but after the engine warms up it starts as soon as I turn key, every time, yesterday I tried to start no choke checked plugs no gas on them, didn't start put them in tried a little choke no start checked plugs no fuel on them, put back in a little more choke about half it started right up, so something not quite right with choke setup I am guessing, One float is coming apart thin layer is trying to peel off.
procharger Posted April 1, 2016 Author Report Posted April 1, 2016 Hard start first start of day rest of the day its really good had rotax mechanic check it today we think sprag clutch is failing it will not stay engaged but for a second even with jumper cables which helps it turn a little faster. Ice trick didnt help. What is PN for new and improved flywheel and cost? thanks
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