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Jvt 57mm, 59mm & 62mm Lc Kit For Sniper Chrome Bore W/ Forged Piston

sniper31

Super Veteran
im using pitsbike 62mm not forge piston., stock head. my tire is 120/ 70 pirelli and 80/90f. my topspeed is 170km+. no worry if ure stockhead. my sprocket combi is 15x34.
 

pj badillo

Veteran
i think i made a mistake of buying jvt 59mm!
because hnd ko msagad ung mutor ko!!!
140-145 ngwwigle na aq.. hahaha..
my weight is only 44kg, my tire is 70/80f, 80/80 rear.
ano po kaya dpat gwin ko para d aq mg wiggle?
 

sniper31

Super Veteran
lower ur front shock to 1 inch..,check also the rear bering of your mc.,ganundin aq nun. im 47 kg also. inadjust ko pang radiator q palikod to 1 inch para di bubunggo ung front tire fender. remove also the head AIS para maiurong mo ang radiator. palitan mo ng flat steel para di ccngaw.
 

pj badillo

Veteran
i do that to my m.c sir, but same problem pa dn.
maybe my rear shock is the problem, because
earlier my napnsin aqng palag s shock ko nung
kaangkas ko esmi knina.
 

yosnad

New Member
this is what happens to my jvt 57mm borekit on honing stage...i dont go beyond 40kph and my jettings are 130 42..IMG_4706.jpgIMG_4696.JPGIMG_4696.JPGIMG_4696.JPGIMG_4696.JPGIMG_4696.JPGIMG_4696.JPGIMG_4696.JPGIMG_4696.JPG
 

sniper31

Super Veteran
Signs of overheating..... You must go beyond 40kmh. It must be 80 kmh to make more cooler the engine. Radiator and engine need an air velocity.
 

yosnad

New Member
sakto ang
and baka mali ang pagkabit ng rings. siranico ata mechanic mo boss.
. sakto yong pagkakalagay boss and isa p
and baka mali ang pagkabit ng rings. siranico ata mechanic mo boss.
i dont think mali yong
nasa mechanic yan. nung nilagay nya siguro as it is na hindi man lang nilagyan ng oil ang rings.
and baka mali ang pagkabit ng rings. siranico ata mechanic mo boss.
i dont think mali yong pgkakabit sir... and isa pa po nilagyan po ng oil.. trusted mechanic po yong nagkabit sir... ang itsura kasi nong piston parang natunaw...
 

sniper31

Super Veteran
may tatak jvt bng piston? bka di forged. malambot ung piston. nag- eexpand kung mainit na xa kaya dumikit sa block.
 

Eldridge

New Member
sayang naman yung JVT mo sir. ako nagpakabit kanina 59mm jvt. ok nmn sya. ginamit ko maghapon ala nmn over heat.. my mali siguro sa pagkakakabit ng block mo/ dahil kung tama yan sir,, hindi po masisira.. so far ok ang performance nya.. lakas humatak hehe. bukas magpapa lighten magneto naman ako ska torque drive.. excited n nmn ako sa performance n idadagdag nun sa MX ko hehe
 

ianghol

Super Veteran
sign of over heat..sa upper land ng piston kitang kita a lumambot..cguro meron lng factory dfect yung piston na d makita sa outside looks bagu kinabit kaya nalusaw sya..:(cguro nanghihingi ng mas malaking bore yung sneeppeee mo kaya ganun nangyari..try 62mm:D
 

yosnad

New Member
sign of over heat..sa upper land ng piston kitang kita a lumambot..cguro meron lng factory dfect yung piston na d makita sa outside looks bagu kinabit kaya nalusaw sya..:(cguro nanghihingi ng mas malaking bore yung sneeppeee mo kaya ganun nangyari..try 62mm:D
57 lng ako sir stock valve parin kasi naka faito jack up rod lng ng 4mm..ill try to install another 57mm...
 

ianghol

Super Veteran
57 lng ako sir stock valve parin kasi naka faito jack up rod lng ng 4mm..ill try to install another 57mm...
buti ka pa papzz nka jack up..sa smx wla pang available:(..ok na yan sa 57mm nasa 170.2cc displacement mo..try mo vixion para matibay same price yata sa jvt na 57mm dn..check mo dn oil level mo papz..mataas na ang 4mm na jack up baka kumunti ang oil d mo napansin at d na maabot ang bandang taas ng bore kaya nag kulang sa lubrcation kaya nag over heat..:)
 
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