dieseldog had a ct110 shipped from washington to texas. you should give him a pm. he is travelling right now but i am sure he will respond in a day or two.
dr atv sells an oem replacement airbox and boot plus fittings that will fit your bike. you can get the little generic chrome one that dr atv sells for less on ebay.
you should have the carb air intake facing the rear. the last front facing intake was 1968.
dr atv sells them new for your bike. you can also just get a generic 35mm air filter fitting off ebay for $8-20. double check the diameter of your carb throat but it should be 35mm.
and the missing seal is honda part 91202-459-771 and goes on the subtransmission sprocket output
http://www.cmsnl.com/products/oil-seal-31x43x8_91202459771/
and now for the oil seals. there are two kits again. one has 4 seals, and one has 5 :doh: the 4 seal set is as little half the price of the 5 seal set and you can see here that it is the biggest seal that is missing.
the kit of 5 has the following
13225 POINTS ASSEMBLY SPINDLE
11.62410...
here is the last photo of the thai set. i don't know what the other missing gaskets and seals do yet because i am about to order them but it seems prudent to get the more expensive set.
ok, here is some info on the different complete engine gasket sets available for the ct90.
there appear to be two basic sets. one is made in thailand and sells for as little as $6.00. it usually has green gasket paper but has several packages. the other is made in taiwan supposedly of...
update on indicators (or as honda calls them "winkers") for the ct90
the diagram below is from an s90 which shares a lot of parts with the early ct90s, including an identical front fork layout to the 1969 k1 (for 1970 k2 and later the forks are different ). i believe is the correct setup for a...
good price for fork boots
http://cgi.ebay.com/ebaymotors/Fork-boot-rubber-Honda-CS90-CT90-CB100-CB125-CT110-S90_W0QQitemZ260369432654QQcmdZViewItemQQimsxZ20090301?IMSfp=TL0903011210006r2102#ht_2728wt_1143
some possible modern paint codes for the honda scarlet and trim cloud silver taken from a forum dedicated to restoring 60s era honda twins. The scarlet was also used on the cl72/cl77 models
edit: looks like that silver is for trim pieces like fenders/battery covers, not for engine or fork...
some more paint links
general paint code info for old hondas
ModelChart
Honda Africa Twin Colour Schemes
http://www.cmsnl.com/classic-honda-fansite/honda_documents/Honda%20Paint%20Codes%201969-73-74.pdf
Honda Paint Codes
Honda - FAQ
apparently the silver trim and wheel...