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Carburetor Uma28 Untuk Blok Standard Mj/pj

syah90

New Member
Sy mengalami masalah sy pakai uma28 mj/pj 100/17..blok standart..masalah yg sy alami kluar asap hitam tanpa henti..tolong saayyaa
 

adam_john99

Super Veteran
Sy mengalami masalah sy pakai uma28 mj/pj 100/17..blok standart..masalah yg sy alami kluar asap hitam tanpa henti..tolong saayyaa
mase aku pakai block std and carb uma 28mm nie aku set mj 105 pj 35.....angin bukan 1.5 pusingan keluar....cer try....insyaalah mantap....
 

wnu3273

New Member
ooo.. kira setting jarum lean la. sy blok fz, cam lhk no.1, cdi brt smart click 29 btdc dual band on. uma 28 mm. pj 35, mj 100. jarum takuk atas. bila buat takuk tengah, jd mcm lebih minyak je. tp td tgk plug mcm sikit lean. tgk spec motor bro dulu piston std pun mj 105. patut mcm kurang je masa high rpm. ada cadangan saiz main jet saiz berapa yg patut sy tukar?
 

adam_john99

Super Veteran
ooo.. kira setting jarum lean la. sy blok fz, cam lhk no.1, cdi brt smart click 29 btdc dual band on. uma 28 mm. pj 35, mj 100. jarum takuk atas. bila buat takuk tengah, jd mcm lebih minyak je. tp td tgk plug mcm sikit lean. tgk spec motor bro dulu piston std pun mj 105. patut mcm kurang je masa high rpm. ada cadangan saiz main jet saiz berapa yg patut sy tukar?
As salam bro, mase moto aku layan block std dulu, spec dia block std, cam lhk no 2, valve std, sv cms, coil uma, plug iridium, cdi brt smartclick degree 37 rpm 14k dual band sentiase on, carb uma 28mm mj 105 pj 35 angin 1.5 turn...memang takde bobok dari throttle 0 to 100 opening, start enjin pun takyah main minyak, skali kick ja dah start enjin. plug kaler koko kehitaman...memang set2 minyak rich sket sbb slalu layan high rpm.

spek ko head ade tukar sv tak?cdi ko aku suggest set 33 rpm 12k mentain mj kasi tukar 105 pj 35 dulu....try tgk kaler spark plug balik. kite buat satu2. kalau ikot feedback ko biler high rpm minyak lean so memang kurang la. cam lhk nie so far yang aku try mid to high rpm memang mantop. kalau boley ko try suggestion aku dulu then kite tgk mcm mane result dia nanti. happy modi......

biar petrol rich sket dari menanggung masalah piston bocor.
ride safe bro....
 

wnu3273

New Member
Lupa pula nk bg tahu. sv dah tukar cms.
semalam sebelum baca post ni dah tukar mainjet 115. set btdc 32 rpm 14k. high rpm berat. gear 3 nk ke 120kmj pun susah. biasa boleh lajak sampai 140kmj. set semula 29btdc baru ok. plug sy pakai ngk iridium 1x. kaler plug mcm dlm gambar. hmm, mungkin plug ni power sgt kot. klu pakai plug biasa mungkin dpt perang kot.

lg 1, cam lhk no.1 ni ikut kn palex tulis durationnya 255. sy tgk cam ni dr low ke mid mmg best. kira dr rpm meter sy 2k hingga 8k je powerband. mungkin sebab tu kot motor sy jd berat gear 4. 150kmj (meter v1) dah dekat 8k rpm. so dah out of powerband range..hehehe. 160kmj menung. teringin nak tgk meter lentok dinding :rolleyes:

bro punya lhk no.2 277 degree. support high rpm.
 

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adam_john99

Super Veteran
Lupa pula nk bg tahu. sv dah tukar cms.
semalam sebelum baca post ni dah tukar mainjet 115. set btdc 32 rpm 14k. high rpm berat. gear 3 nk ke 120kmj pun susah. biasa boleh lajak sampai 140kmj. set semula 29btdc baru ok. plug sy pakai ngk iridium 1x. kaler plug mcm dlm gambar. hmm, mungkin plug ni power sgt kot. klu pakai plug biasa mungkin dpt perang kot.

lg 1, cam lhk no.1 ni ikut kn palex tulis durationnya 255. sy tgk cam ni dr low ke mid mmg best. kira dr rpm meter sy 2k hingga 8k je powerband. mungkin sebab tu kot motor sy jd berat gear 4. 150kmj (meter v1) dah dekat 8k rpm. so dah out of powerband range..hehehe. 160kmj menung. teringin nak tgk meter lentok dinding :rolleyes:

bro punya lhk no.2 277 degree. support high rpm.
As salam bro...good sbb sv dah tukar....kalau ikotkan kaler plug ko masih kurang lagi minyak sbb tgh2 tue still putih lagi....ko pakai meter koso ke tau rpm value??ko mention mj 115 pj brape plak? btdc nie subjectif bro sbb ape...lain moto lain peginyer, tapi aku leh suggest sbg guideline ja....btdc lagi tinggi meaning powerband dah enjak ke high rpm (setting2 top ler, but korbankan pikap)....sbb ko rase lambat sket.....moto pun kene set atas rider nak main town or main highway...
 

wnu3273

New Member
pilot sama 35. pernah cuba 40 buka skru sampai habis pun tak lawas. heheheh.
sy pakai meter digital, tanam dalam meter. beli kt mudah.my. gambo kt moto sy tak ambil pun. tp lebih kurang mcm motor lcv2 ni la..
 

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adam_john99

Super Veteran
pilot sama 35. pernah cuba 40 buka skru sampai habis pun tak lawas. heheheh.
sy pakai meter digital, tanam dalam meter. beli kt mudah.my. gambo kt moto sy tak ambil pun. tp lebih kurang mcm motor lcv2 ni la..
so far aku main pj 35 angin 1.5 turn memang takde bobok la....try dulu tgk mane yang bley bro....harap dpt membantu
 
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