Hard To Start; Engine Cranks But Won't Start - Honda NSA700A DN-1 2009 Service Manual

HFT

HARD TO START

ENGINE CRANKS BUT W ON'T START
1. Engine Oil Level and Condition Inspection
C heck th e en g in e o il level and co n d itio n (p a g e 4-11).
A re the engine o il level a n d c o n d itio n n o rm a l?
YES
NO
Neutral Oil Pressure Switch Inspection
2.
Check th e n eutral in d ica to r w h ile o p eratin g th e N /D select sw itch.
Does the s w itc h change the in d ic a to r?
YES
NO
3. HFT Oil Pressure Inspection
Inspect th e H F T oil p ressu re (p ag e 11-12).
Is the o il pressure n o rm a l?
YES
NO
4. N /D Clutch Inspection
Inspect th e N /D clutch (p a g e 11-82).
Is the N /D clu tch co rre ct?
YES
NO
5. N /D Solenoid valve Inspection
Inspect th e N /D so le n o id v a lv e (p ag e 11-107).
Is th e N /D so lenoid valve correct?
YES
NO
6. Spool Valve and HFT Oil Passage Inspection
Inspect th e fo llo w in g :
-
-
A re the sp o o l valve and HFT o il passage norm al?
YES
NO
HFT Inspection w ith The Engine Installed in The Frame
7.
Inspect th e H FT w ith th e e n g in e installed in th e fra m e (p a g e 11-14).
Is th e HFT correct?
YES
N O
11-8
- G O T O STEP 2.
- C h an g e th e re c o m m e n d e d eng ne oil (p a g e 4-11).
- G O T O STEP 3.
- Inspect th e n e u tral oil p ressu re sw itch (p ag e 11-106).
- G O T O STEP 4.
- C lo gg ed oil passage or inspect th e oil p u m p (p a g e 5-8).
- G O T O STEP 5.
- Faulty N /D clutch.
- G O T O STEP 6.
- Faulty N /D so le n o id valve .
S pool v a lv e (p a g e 11-71)
HFT oil passage (p a g e 1 1 -/2 )
- G O T O STEP 7.
- • F a u lty sp oo l valv e.
• C lean H FT oil passage.
- R eplace th e e n g in e o il, th e n p e rfo rm th e H FT in itia lizatio n p ro cedu re (p ag e 11-93) and
recheck.
- Faulty HFT.