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SuzukiSavage.com
/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Amal MkII /cgi-bin/YaBB.pl?num=1332018043 Message started by cornfuzed on 03/17/12 at 14:00:42 |
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Title: Amal MkII Post by cornfuzed on 03/17/12 at 14:00:42 Woohoo! finally getting around to installing the MKII...YEAAHH baby!!! Ummm just a small problem, I aint sure how that sucker works or what gets connected to where.... ;D Anyone have installer tips or tricks or if i have to change out my stock petcock? |
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Title: Re: Amal MkII Post by dr1445 on 03/17/12 at 14:38:56 i do not recall a vacuum port on the mk2. you will need to use the raptor petcock with a inline fuel filter between the tank and carb. then fire it up and jet it. there is not much info on that subject, one can hope your needle and throttle valve are correct. |
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Title: Re: Amal MkII Post by cornfuzed on 03/18/12 at 15:20:00 5D4B080D0D0C390 wrote:
Thanks for that info bud, question, where in the world does the throttle cable go? |
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Title: Re: Amal MkII Post by LANCER on 03/18/12 at 15:30:01 You need a different throttle cable. The stock cable will not work on the Amal Mk II carb. When you do have the correct cable it is installed down through the hole in the middle of the screw on cap and attaches directly to the floor inside the bottom of the slide. ** I do have cables that are made for the the Amal Mk II and the Mikuni VM carbs. The same cable works for both types of carb. |
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Title: Re: Amal MkII Post by ralfyguy on 03/18/12 at 16:58:27 What are the advantages from a Amal carb versus the stock carb. What kind of performance gain is expected changing nothing else on the bike and how does it affect the mpg? |
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Title: Re: Amal MkII Post by cornfuzed on 03/18/12 at 17:58:58 3F323D3036216164530 wrote:
Thanks Lancer yeah i got the cable as well and was a little confused but ok so it goes through the top and attaches on that metal plate down there. Ok cool just now need a raptor i guess. |
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Title: Re: Amal MkII Post by cornfuzed on 03/18/12 at 18:06:59 4F5C515B445A48443D0 wrote:
Sorry bud almost didnt see the post and not sure if Id be the right guy to ask... Lancer knows WAY more when it comes to carbs... I personally wanted to test it out and validate by my seat of the pants method 8-) |
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Title: Re: Amal MkII Post by Savage_Rob on 03/18/12 at 20:13:12 You don't truly need a raptor but I would highly recommend it. I've done both. I installed my Mk2 before the raptor was ”discovered” and actually drilled a hole in the throat of the carb and installed a nipple to tap vacuum. This was, by the way, Lancer's idea and worked perfectly. I just hate the vacuum-controlled petcock and replaced it as soon as I could, returning the Mk2 to its former state (or very close) with some aluminum epoxy. In my opinion, the Mk2 with a raptor is a perfect pairing. |
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Title: Re: Amal MkII Post by LANCER on 03/20/12 at 05:36:32 The Amal Mk II and the Mikuni VM are the same basic TYPE of carburetor. They are direct cable actuated round slide carburetors that have been used for years, especially on big single racing bikes in past years. They are simple, inexpensive and make very good power on the LS650 engine. The Mk II's I had a few years ago were nearly perfect for the LS650 engine. I just pulled it from the box, mounted it and with a little tweaking of the pilot screw it was ready to go. |
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Title: Re: Amal MkII Post by cornfuzed on 03/31/12 at 13:25:34 Ok got everything i need now... Just a problem... I cant find an install / tune guide to save my life that explains where the pilot screw or which screw is which.... Any one have some pointers or a url to get the good guides from? At the AMAL site i only found a picture of the Tuning... not very helpful.... Thanks all! |
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Title: Re: Amal MkII Post by cornfuzed on 03/31/12 at 13:39:01 And Im not too sure what that nipple is on the side of the carb that attaches to the motor... Where it attaches its on the left side of the carb.... |
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Title: Re: Amal MkII Post by LANCER on 03/31/12 at 13:57:47 676E706B613532020 wrote:
I used to have the Amal MK II manual in my computer files on the old machine. I think I still have the hard drive and if so will check to see if it's still there and if so will transfe it to the MAC and post it. |
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Title: Re: Amal MkII Post by cornfuzed on 03/31/12 at 14:17:28 6E636C6167703035020 wrote:
I used to have the Amal MK II manual in my computer files on the old machine. I think I still have the hard drive and if so will check to see if it's still there and if so will transfe it to the MAC and post it.[/quote] 8-) Thank you LANCER! Yeah i just dont wanna mess this up... |
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Title: Re: Amal MkII Post by cornfuzed on 03/31/12 at 15:24:08 Ok after watching some youtubes i know know which is the pilot air screw and the throttle or idle screw.... Now i think i need to know what little brass nipple is for where a clear plastic tube is attached on my MK2... Its located on the front of the carb ...Left side closest to the motor... I dont think its for vaccum but not sure what its for maybe to allow more air in??? :-/ |
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Title: Re: Amal MkII Post by verslagen1 on 03/31/12 at 15:27:24 http://www.classicbike.biz/triumph/Maintenance/AmalMK11Tuning.pdf http://www.gabma.us/carb/amal_tune2.pdf |
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Title: Re: Amal MkII Post by cornfuzed on 03/31/12 at 15:31:51 http://www.hitchcocksmotorcycles.com/partsbooks/pages/977/.2900_Series_%2828-34mm%29 So im assuming i have a 2900 series? R2934-300 relates to that from OldBritBikes... Still wondering if thats just to allow more air in right before combustion? |
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Title: Re: Amal MkII Post by cornfuzed on 03/31/12 at 15:37:20 63706766797472707B24150 wrote:
Thank you Vers... Kicker on that second pdf is that it looks exactly like what i have.... EXCEPT on the left side of the carb pictured i have a brass nipple sticking out with a clear plastic tube and no stinking clue what its for... :-/ maybe just to let more air in the mix after mix?? :-/ im going to try to get a pic... maybe that will help.... |
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Title: Re: Amal MkII Post by cornfuzed on 03/31/12 at 15:45:50 Ok this should help... some pics are worth way more than my babbling... |
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Title: Re: Amal MkII Post by cornfuzed on 03/31/12 at 15:46:52 ...And without the clear tube... |
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Title: Re: Amal MkII Post by cornfuzed on 03/31/12 at 15:47:58 :-? Stumped in the cornfield... |
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Title: Re: Amal MkII Post by dr1445 on 03/31/12 at 16:01:05 looks like an added vacuum port, or even an oil injection, or boost bottle port for a 2 stroke. if your running the oem petcock you could plug the vac line in there. |
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Title: Re: Amal MkII Post by verslagen1 on 03/31/12 at 16:21:19 524407020203360 wrote:
+1 looks like a custom mod. |
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Title: Re: Amal MkII Post by cornfuzed on 03/31/12 at 16:25:14 Thanks guys! So... If i went to Raptor then i can plug this plug...? Im glad im surrouded by smarter than me people... |
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Title: Re: Amal MkII Post by cornfuzed on 03/31/12 at 16:26:48 shoot... can i plug it with black silicone on the brass plug??? |
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Title: Re: Amal MkII Post by LANCER on 03/31/12 at 17:28:28 It is a vacuum port Looks like one I did back when I sold them You can seal it with high temp silicone |
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Title: Re: Amal MkII Post by cornfuzed on 03/31/12 at 17:57:49 7578777A7C6B2B2E190 wrote:
Thanks Lancer... Yeah ive siliconed it and now just waiting till tomorrow to install... Kinda excited to feel the difference... 8-) |
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Title: Re: Amal MkII Post by cornfuzed on 04/01/12 at 13:30:09 Ok getting ready to install the carb.... Only took a couple hours to get the positive cable off the battery! Stupid nut was messed up baad.... Anywho... Looking to understand how the throttle cable is secured to the top of the amal carb as best i can tell it just sits in there as threading that nut tight does not do anything to hold the cable in place.... Any one know if im on the right track? |
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Title: Re: Amal MkII Post by LANCER on 04/01/12 at 14:31:30 29203E252F7B7C4C0 wrote:
It's the tension of the spring inside the carb (the big coil spring under the top cap and down inside the slide) pushing down on the slide that keeps the cable inside that top screw in the cap. That screw in the cap is for cable adjustment. It does not adjust it very much but that's what it is for. It is not designed to latch on to the cable sheath. Remember, this is simple old tech stuff. |
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Title: Re: Amal MkII Post by LANCER on 04/01/12 at 15:18:12 Amal downloads www.amalcarb.co.uk/downloads.aspx |
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Title: Re: Amal MkII Post by LANCER on 04/01/12 at 16:02:58 The carb shown here is a Mikuni VM round slide but the Amal round slide is done the same way. Not shown is the insertion of the needle down inside the center hole inside the slide after the tip of the cable is put through the offset hole in the bottom of the slide. Then a small flat plate is set on top of them to lock them in before the slide spring is allowed to go down into the slide http://images1.snapfish.com/232323232%7Ffp437%3Enu%3D323%3A%3E639%3E697%3EWSNRCG%3D3233554%3A%3B8376nu0mrj http://images1.snapfish.com/232323232%7Ffp437%3Enu%3D323%3A%3E639%3E697%3EWSNRCG%3D3233554%3A%3B2926nu0mrj http://images1.snapfish.com/232323232%7Ffp43%3B%3Enu%3D323%3A%3E639%3E697%3EWSNRCG%3D3233554%3A%3B2933nu0mrj http://images1.snapfish.com/232323232%7Ffp437%3Enu%3D323%3A%3E639%3E697%3EWSNRCG%3D3233554%3A%3B832%3Anu0mrj http://images1.snapfish.com/232323232%7Ffp437%3Enu%3D323%3A%3E639%3E697%3EWSNRCG%3D3233554%3A%3B8335nu0mrj http://images1.snapfish.com/232323232%7Ffp437%3Enu%3D323%3A%3E639%3E697%3EWSNRCG%3D3233554%3A%3B8344nu0mrj http://images1.snapfish.com/232323232%7Ffp437%3Enu%3D323%3A%3E639%3E697%3EWSNRCG%3D3233554%3A%3B834%3Cnu0mrj http://images1.snapfish.com/232323232%7Ffp437%3Enu%3D323%3A%3E639%3E697%3EWSNRCG%3D3233554%3A%3B8373nu0mrj http:// |
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Title: Re: Amal MkII Post by Savage_Rob on 04/01/12 at 20:57:14 Yup. That's a modified version similar to how I did mine initially too. When I switched to the Raptor, I removed the nipple from the carb and used some aluminum epoxy similar to JB Weld to seal it and then sanded it down a bit. If you'd like to give me your email in a PM, I'll put together all the documentation I have on it and shoot it to you. There is some on the manufacturer's site at http://www.amalcarb.co.uk/. They have good parts prices but shipping from the UK can get pricey. Some other resources are: http://www.hitchcocksmotorcycles.com/ http://www.oldbritts.com/ http://www.britcycle.com/ http://www.clubmanracing.com/amalmk2.php http://www.burtonbikebits.net/Amal.htm |
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Title: Re: Amal MkII Post by cornfuzed on 04/02/12 at 06:11:06 373A35383E29696C5B0 wrote:
Thanks Lancer, In this first PIC i do not have that Black Plastic doodad on the top of the carb... is that a show stopper? From Hitchcocks Motorcycles its a rubber top cable stop... |
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Title: Re: Amal MkII Post by cornfuzed on 04/02/12 at 06:11:50 0634233432300A073A37550 wrote:
8-) Thanks Savage... PM on da way! |
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Title: Re: Amal MkII Post by cornfuzed on 04/02/12 at 06:18:40 I seemed to have run into a small issue where the rubber port that attaches to the motor does not seem to line up with the screw holes on the engine exactly... now if i use the OEM rubber mount on the motor it appears that I have a Rubber Stub adapter i can insert into the OEM and attach the carb... is that an option or should i be ok with the amal rubber mount to the motor... may have been like 1/32" off between the screw hole and the hole in the rubber mount... dunno if that would cause any issue by forcing the screw in the hole compressing the rubber mount any... |
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Title: Re: Amal MkII Post by cornfuzed on 04/02/12 at 06:25:04 Well that question seems to be mute... I cannot put my thinnest shims between the rubber mount and the motor where it attaches so it seems to be ok for now... Just need to drill out a hole on the throttle cable plate to attach to my throttle housing on the handle bar... just slightly off as well... sheesh something sooo simple causing such bumps in the road... at least im learning or so i hope i learn someting or something like that... :D |
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Title: Re: Amal MkII Post by LANCER on 04/02/12 at 10:29:22 646D7368623631010 wrote:
Thanks Lancer, In this first PIC i do not have that Black Plastic doodad on the top of the carb... is that a show stopper? From Hitchcocks Motorcycles its a rubber top cable stop... [/quote] That is a rubber cap for keeping any dust/moisture from going down into the carb. The one in the photo of the VM carb will work on the Amal. They are cheap and available. Due to the location of the carb , behind the engine and under the seat, danger of contamination is minimal. You can get flex/stretch self adhering electrical tape at a hardware store and wrap it a time or 2 and that will totally seal it better than the rubber top you see. Quick and easy to do. |
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Title: Re: Amal MkII Post by cornfuzed on 04/02/12 at 11:37:45 Thanks Lancer, I used electric tape... Glad for it too! Ohh and... ;D ;D ;D SO THATS WHAT A SAVAGE SHOULD ACT LIKE!!! ;D ;D ;D ;D Hoolly CRAP that was a different bike... Pulled like a freight train to 60 and was wanting more.... SOOOONNN!!! ;) Dunno what my mileage will be but i sure didnt help it!!! HHEHEEHEHEHEEE.... |
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Title: Re: Amal MkII Post by cornfuzed on 04/02/12 at 11:39:03 But on the more serious side... I got too much slack in me cable i thinks... Goona try and figure out how to tighten that up... |
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Title: Re: Amal MkII Post by LANCER on 04/02/12 at 12:19:59 7E776972782C2B1B0 wrote:
No adjuster section on the throttle end of the cable ? |
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Title: Re: Amal MkII Post by cornfuzed on 04/02/12 at 12:25:08 5558575A5C4B0B0E390 wrote:
No adjuster section on the throttle end of the cable ?[/quote] Yep looks to be like 3 places to adjust ... 1 by the switch assy 1 by the carb and 1 ontop of the carb... just not sure what does what yet... |
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