Thumper Club Forum
Technical => Bike Problems/Questions => Topic started by: daz.33 on May 17, 2009, 04:48:32 PM
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cheers rog, ILL try again
srx 600 bought as non runner two years ago sat in shed till now.took carbs off to clean but they are well and truly gummed and will need to be re furbed. on allot of web sites(manly American )slated these carbs . so my problem is do i send them of to be re furbed, or re placed (one bloke used gpx 250) but i cant go out and spend £500 on new replacements any info would greatly be welcome plus this i my first adventure into the world of restoring cheers Darren
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for the cost of restoring or even rebuilding them yourself, it'll be far cheaper to fish around the breakers for carbs that'll work.
carbs that have been left standing for years never run properly no matter what you do, trust me i've been there.
the £27 rebuild kit i bought consisted of a float bowl rubber seal and about 4 o-rings. not even diaphragms!
bullet350
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I filled mine with Reddex and left them for a month, the stuff went in looking like cherryade and came out looking like guinness. The bike started much better after that. Re the £ 27 carb rebuild kit, Id buy one of those generic O ring kits off ebay as I know that you can get the specially shaped float bowl starter carb O ring from Wemoto for about 3 quid I think it was.[ BTW, this also fits the SRX 4 ]. I took my carbs to bits out of curiosity, after the clean when I didnt need to,,,,ooops ! too much time on my hands I think. anyway, I'd try this before putting new carbs on unless you need the bike running very soon.
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I brought a well gummed and varnished pair of carbs for a CB125T back to life by soaking them for a week in ..................................................... Tesco Value Diet Coke. No *******! It's something to do with the phosphoric acid in the stuff. A week in the brown fizzy stuff, rinse in petrol, blow through with an airline, then a final spruce up with a carb cleaner aerosol (85p from the local shop) - did it for me. What have you got to lose?
After seeing what the coke did to the muck in the carbs (cleans the crap tarnish off alloy as well apparently) I've vowed never to drink the stuff again, unless it's diluted by liberal dose of OVD Rum.
You're welcome
Legal disclaimer - any advice given is on the strict understanding that the advisor is a mechanical incompetent who rides £200 bikes because "they" won't let him near the good ones any more!
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I've used ketchup to clean jets in the past, Coke is probably easier to clean off.
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A nice game - get an old tooth - a pigs tooth from the butcher will do - and put it in a pot of cola. Leave and see how long it lasts. Now consider giving this stuff to kids / adults etc...
My BiL lives in Thailand, there they have a product called Baby-Coke, which is essentially Coke with less fizz sold in plastic Coke shaped bottles with a baby's teat on top. Unsurprisingly my Nephew had no front milk teeth as they had been disolved.
Should be good for
cleaning many things - wonder if the diet version would be better as there is no sugar
in there to gum things up.
R
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When I was a nipper (too long ago to remember...almost)....we used to leave the old pennies (them big bu55ers your Dad used as washers) we had as pocket money...in coke overnight......they looked mint (literally) the next day....leave'em in all weekent and they'd all but disappear!
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daz.33: I know what you are going through: Two years ago, I bought an SRX4-3VN from a nation-wide reseller chain here in Japan. It ran like crap, and I took it back to the shop — twice. Both times they delivered it back as supposedly running properly. They even put it on a dyno in front of me and surrounded me with three uniformed company members to assure me that all was well. It was still on warranty, so they were obliged to get it right — except they didn't. So, I vehemently insisted that the carbs were wonkey. In desperation they showed me the computer maintenance log. It said that they had they had already overhauled the carbs — TWICE!
The solution finally came when I took it to another branch of the same chain and had an interview with the forman mechanic there. He was a solid guy, but at first he was inclined to take my words with the same grain of salt as the other people — until he stuck the exhaust sniffer up the snout ... smelled/saw how much raw fuel had mixed into the oil supply. That was when he came right over to my side, and asked me to put the machine in his personal care for a week. I knew what he was about, and yet I pleaded with him to make absolutely sure that he blew compressed air into every cranny after boiling out the carb bodies.
I collected the machine six days later. It ran perfectly. He showed me the nitrous oxide levels on the sniffer as proof. No BS this time. And thus it was the THIRD time the carbs had been overhauled. Part of the problem was contamination from the tank. (When you finally do get to the solution, put a fuel filter in the fuel line!)
I don't know if you can manage to get your carbs right, but it is apparently difficult to be 100% certain in regards to getting them squeaky clean. This problem drove me nearly insane, and it cost me a lot of time and fooling in the old around with needle settings on my own time.
The chief suspect should be the low speed circuit of the primary carb — if the SRX6 is configured in a similar fashion. Cheers and best of luck ... Lorne