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TOPIC: Manifolds: Things to Look for/When to replace Forum Tools Post New Topic Show latest posts Rules

#324163 fireman922 (User) Schrodinger's Cat - Wanted Dead & Alive Platinum Boarder Posts: 5845 Re:Manifolds: Things to Look for/When to replace 7 Years, 3 Months ago   Grey, will a 1700 manifold fit your bike?   Logged     Ask me about my attention deficit disorder or my pie or my cat. A dog. I have a bike. Do you like TV? I saw a rock. Hi.   The administrator has disabled public write access. #324165 greyphart (User) Platinum Boarder Posts: 6701 Re:Manifolds: Things to Look for/When to replace 7 Years, 3 Months ago   fireman wrote Grey, will a 1700 manifold fit your bike? Dunno. I got an 03' 1600. Input?   Logged     The administrator has disabled public write access. #324167 fireman922 (User) Schrodinger's Cat - Wanted Dead & Alive Platinum Boarder Posts: 5845 Re:Manifolds: Things to Look for/When to replace 7 Years, 3 Months ago   I have one of Curt's ported manifolds that I never got around to installing..   Logged     Ask me about my attention deficit disorder or my pie or my cat. A dog. I have a bike. Do you like TV? I saw a rock. Hi.   The administrator has disabled public write access. #324171 greyphart (User) Platinum Boarder Posts: 6701 Re:Manifolds: Things to Look for/When to replace 7 Years, 3 Months ago   If it fits my 1600 let's talk. GP   Logged     The administrator has disabled public write access. #324172 Curt (Moderator) Never to old to ride! Moderator Posts: 22378 Re:Manifolds: Things to Look for/When to replace 7 Years, 3 Months ago   No the 1700 manifold and the 1600 manifold are different. A new OEM 1600 intake is around $72 a new OEM 1700 intake is $116. There are Barons ported intake on e-bay for #135 but the flanges are not surfaced. One way to prolong the life of any rubber product is to use silicone dressing on the rubber on a periodic routine to keep the rubber soft. As Gram said the manifold flexes and the ported one flexes even more. I watched mine at idle after putting on a 45 HSR and the manifold looked like a heart beating in the areas where there is no aluminum sleeve.   Logged       The administrator has disabled public write access. #324177 greyphart (User) Platinum Boarder Posts: 6701 Re:Manifolds: Things to Look for/When to replace 7 Years, 3 Months ago   Thanks Curt for the info. And thanks Paul for thinking of me. GP (Jim)   Logged     The administrator has disabled public write access. #324178 texasscott1 (User) Two of a kind Platinum Boarder Posts: 4486 Re:Manifolds: Things to Look for/When to replace 7 Years, 3 Months ago   ironman wrote: could a rising idle be a sign of a cracked manifold(going lean)? As the engine warms up,the idle goes up. Obviously,the oil warming/thinning will allow a slightly higher idle, but? When mine was leaking the idle didn't get any higher rather there was a rough lean idle - constant misfire while idling. From experience I know that the first symptom of a serious manifold leak will be a very high idle cold with the choke pulled out. If you want to see what I mean start it cold with the AIS vacuum port open. Scott B.   Logged     My 99 Standard Test Mule Scott B.   The administrator has disabled public write access. #324201 greenpus (User) Platinum Boarder Posts: 3215 Re:Manifolds: Things to Look for/When to replace 7 Years, 3 Months ago   Curt wrote: No the 1700 manifold and the 1600 manifold are different. A new OEM 1600 intake is around $72 a new OEM 1700 intake is $116. There are Barons ported intake on e-bay for #135 but the flanges are not surfaced. One way to prolong the life of any rubber product is to use silicone dressing on the rubber on a periodic routine to keep the rubber soft. As Gram said the manifold flexes and the ported one flexes even more. I watched mine at idle after putting on a 45 HSR and the manifold looked like a heart beating in the areas where there is no aluminum sleeve. I guess if I pulsated like that, I'd crack too. Oh wait, I just had some baked beans...   Logged     The administrator has disabled public write access. #324204 greenpus (User) Platinum Boarder Posts: 3215 Re:Manifolds: Things to Look for/When to replace 7 Years, 3 Months ago   My 2001 had a fugly intake and was cracked more than my keester but it worked and I had no issues with it. I swapped it out for a new ported manifold. I might try and make it crack free with RTV and port it but I may not because rubber products that are old don't fair well in the time machine. Oxygen and Ozone are not rubber friendly and make rubber brittle so using a RTV product to fill cracks may fix the crack but it still don't fix the main issue of the rubber being brittle and not as flexible as new. This is why you don't buy rubber products like assy belts and radiator hoses that have been on the shelf for a long period of time. Make sure those rubbers are fresh   Logged     Last Edit: 2010/11/23 05:43 By greenpus.   The administrator has disabled public write access. #324213 nightstar57 (User) ride it like ya paid for it .. Platinum Boarder Posts: 3422 Re:Manifolds: Things to Look for/When to replace 7 Years, 3 Months ago   I just ported mine and it looked great but its only an 07..i dont think the porting will weaken the manifold much,if any..but who knows..thanks Gram for a great article..when i tear down my girl's 05 roadie i will be looking for cracks on the intake. I wonder why no one has made a cast aluminum intake for these bikes..i know the rubber flexes and is cheaper for Yami to produce but someone like Barons might have offered an aluminum one instead..they work on car engines why not a v-twin.. The flange surfaces on the stock intake are crappy,at best..how much worse would the aluminum be..?? and koolau,finding someone to inspect between the jugs should be ah.. um.. well,good luck,i wouldn't know anything about that..   Logged     The administrator has disabled public write access.

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